2017978370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 4180377600

約数和(自身を除く): 2162399230

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 47, 79, 85, 94, 115, 139, 158, 170, 230, 235, 278, 391, 395, 470, 695, 782, 790, 799, 1081, 1343, 1390, 1598, 1817, 1955, 2162, 2363, 2686, 3197, 3634, 3713, 3910, 3995, 4726, 5405, 6394, 6533, 6715, 7426, 7990, 9085, 10810, 10981, 11815, 13066, 13430, 15985, 18170, 18377, 18565, 21962, 23630, 30889, 31970, 32665, 36754, 37130, 54349, 54905, 61778, 63121, 65330, 85399, 91885, 108698, 109810, 111061, 126242, 150259, 154445, 170798, 183770, 186677, 222122, 252563, 271745, 300518, 308890, 315605, 373354, 426995, 505126, 516107, 543490, 555305, 631210, 751295, 853990, 933385, 1032214, 1110610, 1262815, 1451783, 1502590, 1866770, 2525630, 2554403, 2580535, 2903566, 4293571, 5108806, 5161070, 7258915, 8587142, 8773819, 11870461, 12772015, 14517830, 17547638, 21467855, 23740922, 25544030, 42935710, 43869095, 59352305, 87738190, 118704610, 201797837, 403595674, 1008989185, 2017978370]

約数ペア:

[(1, 2017978370), (2, 1008989185), (5, 403595674), (10, 201797837), (17, 118704610), (23, 87738190), (34, 59352305), (46, 43869095), (47, 42935710), (79, 25544030), (85, 23740922), (94, 21467855), (115, 17547638), (139, 14517830), (158, 12772015), (170, 11870461), (230, 8773819), (235, 8587142), (278, 7258915), (391, 5161070), (395, 5108806), (470, 4293571), (695, 2903566), (782, 2580535), (790, 2554403), (799, 2525630), (1081, 1866770), (1343, 1502590), (1390, 1451783), (1598, 1262815), (1817, 1110610), (1955, 1032214), (2162, 933385), (2363, 853990), (2686, 751295), (3197, 631210), (3634, 555305), (3713, 543490), (3910, 516107), (3995, 505126), (4726, 426995), (5405, 373354), (6394, 315605), (6533, 308890), (6715, 300518), (7426, 271745), (7990, 252563), (9085, 222122), (10810, 186677), (10981, 183770), (11815, 170798), (13066, 154445), (13430, 150259), (15985, 126242), (18170, 111061), (18377, 109810), (18565, 108698), (21962, 91885), (23630, 85399), (30889, 65330), (31970, 63121), (32665, 61778), (36754, 54905), (37130, 54349)]