197207460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 670824000

約数和(自身を除く): 473616540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 43, 45, 54, 57, 60, 76, 81, 86, 90, 95, 108, 114, 129, 135, 149, 162, 171, 172, 180, 190, 215, 228, 258, 270, 285, 298, 324, 342, 380, 387, 405, 430, 447, 513, 516, 540, 570, 596, 645, 684, 745, 774, 810, 817, 855, 860, 894, 1026, 1140, 1161, 1290, 1341, 1490, 1539, 1548, 1620, 1634, 1710, 1788, 1935, 2052, 2235, 2322, 2451, 2565, 2580, 2682, 2831, 2980, 3078, 3268, 3420, 3483, 3870, 4023, 4085, 4470, 4644, 4902, 5130, 5364, 5662, 5805, 6156, 6407, 6705, 6966, 7353, 7695, 7740, 8046, 8170, 8493, 8940, 9804, 10260, 11324, 11610, 12069, 12255, 12814, 13410, 13932, 14155, 14706, 15390, 16092, 16340, 16986, 17415, 19221, 20115, 22059, 23220, 24138, 24510, 25479, 25628, 26820, 28310, 29412, 30780, 32035, 33972, 34830, 36765, 38442, 40230, 42465, 44118, 48276, 49020, 50958, 56620, 57663, 60345, 64070, 66177, 69660, 73530, 76437, 76884, 80460, 84930, 88236, 96105, 101916, 110295, 115326, 120690, 121733, 127395, 128140, 132354, 147060, 152874, 169860, 172989, 192210, 220590, 229311, 230652, 241380, 243466, 254790, 264708, 288315, 305748, 330885, 345978, 365199, 382185, 384420, 441180, 458622, 486932, 509580, 518967, 576630, 608665, 661770, 691956, 730398, 764370, 864945, 917244, 1037934, 1095597, 1146555, 1153260, 1217330, 1323540, 1460796, 1528740, 1729890, 1825995, 2075868, 2191194, 2293110, 2434660, 2594835, 3286791, 3459780, 3651990, 4382388, 4586220, 5189670, 5477985, 6573582, 7303980, 9860373, 10379340, 10955970, 13147164, 16433955, 19720746, 21911940, 32867910, 39441492, 49301865, 65735820, 98603730, 197207460]

約数ペア:

[(1, 197207460), (2, 98603730), (3, 65735820), (4, 49301865), (5, 39441492), (6, 32867910), (9, 21911940), (10, 19720746), (12, 16433955), (15, 13147164), (18, 10955970), (19, 10379340), (20, 9860373), (27, 7303980), (30, 6573582), (36, 5477985), (38, 5189670), (43, 4586220), (45, 4382388), (54, 3651990), (57, 3459780), (60, 3286791), (76, 2594835), (81, 2434660), (86, 2293110), (90, 2191194), (95, 2075868), (108, 1825995), (114, 1729890), (129, 1528740), (135, 1460796), (149, 1323540), (162, 1217330), (171, 1153260), (172, 1146555), (180, 1095597), (190, 1037934), (215, 917244), (228, 864945), (258, 764370), (270, 730398), (285, 691956), (298, 661770), (324, 608665), (342, 576630), (380, 518967), (387, 509580), (405, 486932), (430, 458622), (447, 441180), (513, 384420), (516, 382185), (540, 365199), (570, 345978), (596, 330885), (645, 305748), (684, 288315), (745, 264708), (774, 254790), (810, 243466), (817, 241380), (855, 230652), (860, 229311), (894, 220590), (1026, 192210), (1140, 172989), (1161, 169860), (1290, 152874), (1341, 147060), (1490, 132354), (1539, 128140), (1548, 127395), (1620, 121733), (1634, 120690), (1710, 115326), (1788, 110295), (1935, 101916), (2052, 96105), (2235, 88236), (2322, 84930), (2451, 80460), (2565, 76884), (2580, 76437), (2682, 73530), (2831, 69660), (2980, 66177), (3078, 64070), (3268, 60345), (3420, 57663), (3483, 56620), (3870, 50958), (4023, 49020), (4085, 48276), (4470, 44118), (4644, 42465), (4902, 40230), (5130, 38442), (5364, 36765), (5662, 34830), (5805, 33972), (6156, 32035), (6407, 30780), (6705, 29412), (6966, 28310), (7353, 26820), (7695, 25628), (7740, 25479), (8046, 24510), (8170, 24138), (8493, 23220), (8940, 22059), (9804, 20115), (10260, 19221), (11324, 17415), (11610, 16986), (12069, 16340), (12255, 16092), (12814, 15390), (13410, 14706), (13932, 14155)]