403780940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{4969}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 901756800

約数和(自身を除く): 497975860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 4063, 4780, 4969, 8126, 9938, 16252, 19876, 20315, 24845, 40630, 49690, 81260, 84473, 99380, 168946, 337892, 422365, 844730, 1187591, 1689460, 2375182, 4750364, 5937955, 11875910, 20189047, 23751820, 40378094, 80756188, 100945235, 201890470, 403780940]

約数ペア:

[(1, 403780940), (2, 201890470), (4, 100945235), (5, 80756188), (10, 40378094), (17, 23751820), (20, 20189047), (34, 11875910), (68, 5937955), (85, 4750364), (170, 2375182), (239, 1689460), (340, 1187591), (478, 844730), (956, 422365), (1195, 337892), (2390, 168946), (4063, 99380), (4780, 84473), (4969, 81260), (8126, 49690), (9938, 40630), (16252, 24845), (19876, 20315)]