153925850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7639}}^1$

素因数の和:7695

約数の個数: 48

約数和(自身を含む): 318312960

約数和(自身を除く): 164387110

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 7639, 10075, 15278, 20150, 38195, 76390, 99307, 190975, 198614, 236809, 381950, 473618, 496535, 993070, 1184045, 2368090, 2482675, 3078517, 4965350, 5920225, 6157034, 11840450, 15392585, 30785170, 76962925, 153925850]

約数ペア:

[(1, 153925850), (2, 76962925), (5, 30785170), (10, 15392585), (13, 11840450), (25, 6157034), (26, 5920225), (31, 4965350), (50, 3078517), (62, 2482675), (65, 2368090), (130, 1184045), (155, 993070), (310, 496535), (325, 473618), (403, 381950), (650, 236809), (775, 198614), (806, 190975), (1550, 99307), (2015, 76390), (4030, 38195), (7639, 20150), (10075, 15278)]