64835600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 90

約数和(自身を含む): 164763450

約数和(自身を除く): 99927850

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 361, 380, 400, 449, 475, 722, 760, 898, 950, 1444, 1520, 1796, 1805, 1900, 2245, 2888, 3592, 3610, 3800, 4490, 5776, 7184, 7220, 7600, 8531, 8980, 9025, 11225, 14440, 17062, 17960, 18050, 22450, 28880, 34124, 35920, 36100, 42655, 44900, 68248, 72200, 85310, 89800, 136496, 144400, 162089, 170620, 179600, 213275, 324178, 341240, 426550, 648356, 682480, 810445, 853100, 1296712, 1620890, 1706200, 2593424, 3241780, 3412400, 4052225, 6483560, 8104450, 12967120, 16208900, 32417800, 64835600]

約数ペア:

[(1, 64835600), (2, 32417800), (4, 16208900), (5, 12967120), (8, 8104450), (10, 6483560), (16, 4052225), (19, 3412400), (20, 3241780), (25, 2593424), (38, 1706200), (40, 1620890), (50, 1296712), (76, 853100), (80, 810445), (95, 682480), (100, 648356), (152, 426550), (190, 341240), (200, 324178), (304, 213275), (361, 179600), (380, 170620), (400, 162089), (449, 144400), (475, 136496), (722, 89800), (760, 85310), (898, 72200), (950, 68248), (1444, 44900), (1520, 42655), (1796, 36100), (1805, 35920), (1900, 34124), (2245, 28880), (2888, 22450), (3592, 18050), (3610, 17960), (3800, 17062), (4490, 14440), (5776, 11225), (7184, 9025), (7220, 8980), (7600, 8531)]