89253980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 192175200

約数和(自身を除く): 102921220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 491, 596, 610, 745, 982, 1220, 1490, 1964, 2455, 2980, 4910, 9089, 9820, 18178, 29951, 36356, 45445, 59902, 73159, 90890, 119804, 146318, 149755, 181780, 292636, 299510, 365795, 599020, 731590, 1463180, 4462699, 8925398, 17850796, 22313495, 44626990, 89253980]

約数ペア:

[(1, 89253980), (2, 44626990), (4, 22313495), (5, 17850796), (10, 8925398), (20, 4462699), (61, 1463180), (122, 731590), (149, 599020), (244, 365795), (298, 299510), (305, 292636), (491, 181780), (596, 149755), (610, 146318), (745, 119804), (982, 90890), (1220, 73159), (1490, 59902), (1964, 45445), (2455, 36356), (2980, 29951), (4910, 18178), (9089, 9820)]