238765590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 256

約数和(自身を含む): 785664000

約数和(自身を除く): 546898410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 61, 63, 70, 90, 95, 105, 109, 114, 122, 126, 133, 135, 171, 183, 189, 190, 210, 218, 266, 270, 285, 305, 315, 327, 342, 366, 378, 399, 427, 513, 545, 549, 570, 610, 630, 654, 665, 763, 798, 854, 855, 915, 945, 981, 1026, 1090, 1098, 1159, 1197, 1281, 1330, 1526, 1635, 1647, 1710, 1830, 1890, 1962, 1995, 2071, 2135, 2289, 2318, 2394, 2562, 2565, 2745, 2943, 3270, 3294, 3477, 3591, 3815, 3843, 3990, 4142, 4270, 4578, 4905, 5130, 5490, 5795, 5886, 5985, 6213, 6405, 6649, 6867, 6954, 7182, 7630, 7686, 8113, 8235, 9810, 10355, 10431, 11445, 11529, 11590, 11970, 12426, 12810, 13298, 13734, 14497, 14715, 16226, 16470, 17385, 17955, 18639, 19215, 19947, 20601, 20710, 20862, 22890, 23058, 24339, 28994, 29430, 31065, 31293, 33245, 34335, 34770, 35910, 37278, 38430, 39894, 40565, 41202, 43491, 46543, 48678, 52155, 55917, 57645, 59841, 62130, 62586, 66490, 68670, 72485, 73017, 81130, 86982, 93086, 93195, 99735, 103005, 104310, 111834, 115290, 119682, 121695, 126331, 130473, 139629, 144970, 146034, 156465, 179523, 186390, 199470, 206010, 217455, 219051, 232715, 243390, 252662, 260946, 279258, 279585, 299205, 312930, 359046, 365085, 378993, 391419, 418887, 434910, 438102, 465430, 559170, 598410, 631655, 652365, 698145, 730170, 757986, 782838, 837774, 884317, 897615, 1095255, 1136979, 1256661, 1263310, 1304730, 1396290, 1768634, 1795230, 1894965, 1957095, 2094435, 2190510, 2273958, 2513322, 2652951, 3410937, 3789930, 3914190, 4188870, 4421585, 5305902, 5684895, 6283305, 6821874, 7958853, 8843170, 11369790, 12566610, 13264755, 15917706, 17054685, 23876559, 26529510, 34109370, 39794265, 47753118, 79588530, 119382795, 238765590]

約数ペア:

[(1, 238765590), (2, 119382795), (3, 79588530), (5, 47753118), (6, 39794265), (7, 34109370), (9, 26529510), (10, 23876559), (14, 17054685), (15, 15917706), (18, 13264755), (19, 12566610), (21, 11369790), (27, 8843170), (30, 7958853), (35, 6821874), (38, 6283305), (42, 5684895), (45, 5305902), (54, 4421585), (57, 4188870), (61, 3914190), (63, 3789930), (70, 3410937), (90, 2652951), (95, 2513322), (105, 2273958), (109, 2190510), (114, 2094435), (122, 1957095), (126, 1894965), (133, 1795230), (135, 1768634), (171, 1396290), (183, 1304730), (189, 1263310), (190, 1256661), (210, 1136979), (218, 1095255), (266, 897615), (270, 884317), (285, 837774), (305, 782838), (315, 757986), (327, 730170), (342, 698145), (366, 652365), (378, 631655), (399, 598410), (427, 559170), (513, 465430), (545, 438102), (549, 434910), (570, 418887), (610, 391419), (630, 378993), (654, 365085), (665, 359046), (763, 312930), (798, 299205), (854, 279585), (855, 279258), (915, 260946), (945, 252662), (981, 243390), (1026, 232715), (1090, 219051), (1098, 217455), (1159, 206010), (1197, 199470), (1281, 186390), (1330, 179523), (1526, 156465), (1635, 146034), (1647, 144970), (1710, 139629), (1830, 130473), (1890, 126331), (1962, 121695), (1995, 119682), (2071, 115290), (2135, 111834), (2289, 104310), (2318, 103005), (2394, 99735), (2562, 93195), (2565, 93086), (2745, 86982), (2943, 81130), (3270, 73017), (3294, 72485), (3477, 68670), (3591, 66490), (3815, 62586), (3843, 62130), (3990, 59841), (4142, 57645), (4270, 55917), (4578, 52155), (4905, 48678), (5130, 46543), (5490, 43491), (5795, 41202), (5886, 40565), (5985, 39894), (6213, 38430), (6405, 37278), (6649, 35910), (6867, 34770), (6954, 34335), (7182, 33245), (7630, 31293), (7686, 31065), (8113, 29430), (8235, 28994), (9810, 24339), (10355, 23058), (10431, 22890), (11445, 20862), (11529, 20710), (11590, 20601), (11970, 19947), (12426, 19215), (12810, 18639), (13298, 17955), (13734, 17385), (14497, 16470), (14715, 16226)]