138774640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 339264000

約数和(自身を除く): 200489360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 199, 230, 368, 379, 398, 460, 758, 796, 920, 995, 1516, 1592, 1840, 1895, 1990, 3032, 3184, 3790, 3980, 4577, 6064, 7580, 7960, 8717, 9154, 15160, 15920, 17434, 18308, 22885, 30320, 34868, 36616, 43585, 45770, 69736, 73232, 75421, 87170, 91540, 139472, 150842, 174340, 183080, 301684, 348680, 366160, 377105, 603368, 697360, 754210, 1206736, 1508420, 1734683, 3016840, 3469366, 6033680, 6938732, 8673415, 13877464, 17346830, 27754928, 34693660, 69387320, 138774640]

約数ペア:

[(1, 138774640), (2, 69387320), (4, 34693660), (5, 27754928), (8, 17346830), (10, 13877464), (16, 8673415), (20, 6938732), (23, 6033680), (40, 3469366), (46, 3016840), (80, 1734683), (92, 1508420), (115, 1206736), (184, 754210), (199, 697360), (230, 603368), (368, 377105), (379, 366160), (398, 348680), (460, 301684), (758, 183080), (796, 174340), (920, 150842), (995, 139472), (1516, 91540), (1592, 87170), (1840, 75421), (1895, 73232), (1990, 69736), (3032, 45770), (3184, 43585), (3790, 36616), (3980, 34868), (4577, 30320), (6064, 22885), (7580, 18308), (7960, 17434), (8717, 15920), (9154, 15160)]