408524240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 968844240

約数和(自身を除く): 560320000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 181, 317, 356, 362, 445, 634, 712, 724, 890, 905, 1268, 1424, 1448, 1585, 1780, 1810, 2536, 2896, 3170, 3560, 3620, 5072, 6340, 7120, 7240, 12680, 14480, 16109, 25360, 28213, 32218, 56426, 57377, 64436, 80545, 112852, 114754, 128872, 141065, 161090, 225704, 229508, 257744, 282130, 286885, 322180, 451408, 459016, 564260, 573770, 644360, 918032, 1128520, 1147540, 1288720, 2257040, 2295080, 4590160, 5106553, 10213106, 20426212, 25532765, 40852424, 51065530, 81704848, 102131060, 204262120, 408524240]

約数ペア:

[(1, 408524240), (2, 204262120), (4, 102131060), (5, 81704848), (8, 51065530), (10, 40852424), (16, 25532765), (20, 20426212), (40, 10213106), (80, 5106553), (89, 4590160), (178, 2295080), (181, 2257040), (317, 1288720), (356, 1147540), (362, 1128520), (445, 918032), (634, 644360), (712, 573770), (724, 564260), (890, 459016), (905, 451408), (1268, 322180), (1424, 286885), (1448, 282130), (1585, 257744), (1780, 229508), (1810, 225704), (2536, 161090), (2896, 141065), (3170, 128872), (3560, 114754), (3620, 112852), (5072, 80545), (6340, 64436), (7120, 57377), (7240, 56426), (12680, 32218), (14480, 28213), (16109, 25360)]