123487460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 290304000

約数和(自身を除く): 166816540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 71, 76, 92, 95, 115, 142, 190, 199, 230, 284, 355, 380, 398, 437, 460, 710, 796, 874, 995, 1349, 1420, 1633, 1748, 1990, 2185, 2698, 3266, 3781, 3980, 4370, 4577, 5396, 6532, 6745, 7562, 8165, 8740, 9154, 13490, 14129, 15124, 16330, 18308, 18905, 22885, 26980, 28258, 31027, 32660, 37810, 45770, 56516, 62054, 70645, 75620, 86963, 91540, 124108, 141290, 155135, 173926, 268451, 282580, 310270, 324967, 347852, 434815, 536902, 620540, 649934, 869630, 1073804, 1299868, 1342255, 1624835, 1739260, 2684510, 3249670, 5369020, 6174373, 6499340, 12348746, 24697492, 30871865, 61743730, 123487460]

約数ペア:

[(1, 123487460), (2, 61743730), (4, 30871865), (5, 24697492), (10, 12348746), (19, 6499340), (20, 6174373), (23, 5369020), (38, 3249670), (46, 2684510), (71, 1739260), (76, 1624835), (92, 1342255), (95, 1299868), (115, 1073804), (142, 869630), (190, 649934), (199, 620540), (230, 536902), (284, 434815), (355, 347852), (380, 324967), (398, 310270), (437, 282580), (460, 268451), (710, 173926), (796, 155135), (874, 141290), (995, 124108), (1349, 91540), (1420, 86963), (1633, 75620), (1748, 70645), (1990, 62054), (2185, 56516), (2698, 45770), (3266, 37810), (3781, 32660), (3980, 31027), (4370, 28258), (4577, 26980), (5396, 22885), (6532, 18905), (6745, 18308), (7562, 16330), (8165, 15124), (8740, 14129), (9154, 13490)]