201486640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 500325120

約数和(自身を除く): 298838480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1520, 1867, 2698, 2840, 3734, 5396, 5680, 6745, 7468, 9335, 10792, 13490, 14936, 18670, 21584, 26980, 29872, 35473, 37340, 53960, 70946, 74680, 107920, 132557, 141892, 149360, 177365, 265114, 283784, 354730, 530228, 567568, 662785, 709460, 1060456, 1325570, 1418920, 2120912, 2518583, 2651140, 2837840, 5037166, 5302280, 10074332, 10604560, 12592915, 20148664, 25185830, 40297328, 50371660, 100743320, 201486640]

約数ペア:

[(1, 201486640), (2, 100743320), (4, 50371660), (5, 40297328), (8, 25185830), (10, 20148664), (16, 12592915), (19, 10604560), (20, 10074332), (38, 5302280), (40, 5037166), (71, 2837840), (76, 2651140), (80, 2518583), (95, 2120912), (142, 1418920), (152, 1325570), (190, 1060456), (284, 709460), (304, 662785), (355, 567568), (380, 530228), (568, 354730), (710, 283784), (760, 265114), (1136, 177365), (1349, 149360), (1420, 141892), (1520, 132557), (1867, 107920), (2698, 74680), (2840, 70946), (3734, 53960), (5396, 37340), (5680, 35473), (6745, 29872), (7468, 26980), (9335, 21584), (10792, 18670), (13490, 14936)]