71604920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 172108800

約数和(自身を除く): 100503880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1327, 1349, 1420, 2654, 2698, 2840, 5308, 5396, 6635, 6745, 10616, 10792, 13270, 13490, 25213, 26540, 26980, 50426, 53080, 53960, 94217, 100852, 126065, 188434, 201704, 252130, 376868, 471085, 504260, 753736, 942170, 1008520, 1790123, 1884340, 3580246, 3768680, 7160492, 8950615, 14320984, 17901230, 35802460, 71604920]

約数ペア:

[(1, 71604920), (2, 35802460), (4, 17901230), (5, 14320984), (8, 8950615), (10, 7160492), (19, 3768680), (20, 3580246), (38, 1884340), (40, 1790123), (71, 1008520), (76, 942170), (95, 753736), (142, 504260), (152, 471085), (190, 376868), (284, 252130), (355, 201704), (380, 188434), (568, 126065), (710, 100852), (760, 94217), (1327, 53960), (1349, 53080), (1420, 50426), (2654, 26980), (2698, 26540), (2840, 25213), (5308, 13490), (5396, 13270), (6635, 10792), (6745, 10616)]