245588490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 192

約数和(自身を含む): 802742400

約数和(自身を除く): 557153910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 135, 147, 171, 189, 190, 210, 245, 266, 270, 285, 294, 315, 342, 378, 399, 441, 490, 513, 570, 630, 665, 735, 798, 855, 882, 931, 945, 977, 1026, 1197, 1323, 1330, 1470, 1710, 1862, 1890, 1954, 1995, 2205, 2394, 2565, 2646, 2793, 2931, 3591, 3990, 4410, 4655, 4885, 5130, 5586, 5862, 5985, 6615, 6839, 7182, 8379, 8793, 9310, 9770, 11970, 13230, 13678, 13965, 14655, 16758, 17586, 17955, 18563, 20517, 25137, 26379, 27930, 29310, 34195, 35910, 37126, 41034, 41895, 43965, 47873, 50274, 52758, 55689, 61551, 68390, 83790, 87930, 92815, 95746, 102585, 111378, 123102, 125685, 129941, 131895, 143619, 167067, 184653, 185630, 205170, 239365, 251370, 259882, 263790, 278445, 287238, 307755, 334134, 369306, 389823, 430857, 478730, 501201, 556890, 615510, 649705, 718095, 779646, 835335, 861714, 909587, 923265, 1002402, 1169469, 1292571, 1299410, 1436190, 1670670, 1819174, 1846530, 1949115, 2154285, 2338938, 2506005, 2585142, 2728761, 3508407, 3898230, 4308570, 4547935, 5012010, 5457522, 5847345, 6462855, 7016814, 8186283, 9095870, 11694690, 12925710, 13643805, 16372566, 17542035, 24558849, 27287610, 35084070, 40931415, 49117698, 81862830, 122794245, 245588490]

約数ペア:

[(1, 245588490), (2, 122794245), (3, 81862830), (5, 49117698), (6, 40931415), (7, 35084070), (9, 27287610), (10, 24558849), (14, 17542035), (15, 16372566), (18, 13643805), (19, 12925710), (21, 11694690), (27, 9095870), (30, 8186283), (35, 7016814), (38, 6462855), (42, 5847345), (45, 5457522), (49, 5012010), (54, 4547935), (57, 4308570), (63, 3898230), (70, 3508407), (90, 2728761), (95, 2585142), (98, 2506005), (105, 2338938), (114, 2154285), (126, 1949115), (133, 1846530), (135, 1819174), (147, 1670670), (171, 1436190), (189, 1299410), (190, 1292571), (210, 1169469), (245, 1002402), (266, 923265), (270, 909587), (285, 861714), (294, 835335), (315, 779646), (342, 718095), (378, 649705), (399, 615510), (441, 556890), (490, 501201), (513, 478730), (570, 430857), (630, 389823), (665, 369306), (735, 334134), (798, 307755), (855, 287238), (882, 278445), (931, 263790), (945, 259882), (977, 251370), (1026, 239365), (1197, 205170), (1323, 185630), (1330, 184653), (1470, 167067), (1710, 143619), (1862, 131895), (1890, 129941), (1954, 125685), (1995, 123102), (2205, 111378), (2394, 102585), (2565, 95746), (2646, 92815), (2793, 87930), (2931, 83790), (3591, 68390), (3990, 61551), (4410, 55689), (4655, 52758), (4885, 50274), (5130, 47873), (5586, 43965), (5862, 41895), (5985, 41034), (6615, 37126), (6839, 35910), (7182, 34195), (8379, 29310), (8793, 27930), (9310, 26379), (9770, 25137), (11970, 20517), (13230, 18563), (13678, 17955), (13965, 17586), (14655, 16758)]