2197235920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{60899}}^1$

素因数の和:60964

約数の個数: 80

約数和(自身を含む): 5709009600

約数和(自身を除く): 3511773680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7216, 9020, 18040, 36080, 60899, 121798, 243596, 304495, 487192, 608990, 669889, 974384, 1217980, 1339778, 2435960, 2496859, 2679556, 3349445, 4871920, 4993718, 5359112, 6698890, 9987436, 10718224, 12484295, 13397780, 19974872, 24968590, 26795560, 27465449, 39949744, 49937180, 53591120, 54930898, 99874360, 109861796, 137327245, 199748720, 219723592, 274654490, 439447184, 549308980, 1098617960, 2197235920]

約数ペア:

[(1, 2197235920), (2, 1098617960), (4, 549308980), (5, 439447184), (8, 274654490), (10, 219723592), (11, 199748720), (16, 137327245), (20, 109861796), (22, 99874360), (40, 54930898), (41, 53591120), (44, 49937180), (55, 39949744), (80, 27465449), (82, 26795560), (88, 24968590), (110, 19974872), (164, 13397780), (176, 12484295), (205, 10718224), (220, 9987436), (328, 6698890), (410, 5359112), (440, 4993718), (451, 4871920), (656, 3349445), (820, 2679556), (880, 2496859), (902, 2435960), (1640, 1339778), (1804, 1217980), (2255, 974384), (3280, 669889), (3608, 608990), (4510, 487192), (7216, 304495), (9020, 243596), (18040, 121798), (36080, 60899)]