4493450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 9332736

約数和(自身を除く): 4839286

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 223, 310, 325, 403, 446, 650, 775, 806, 1115, 1550, 2015, 2230, 2899, 4030, 5575, 5798, 6913, 10075, 11150, 13826, 14495, 20150, 28990, 34565, 69130, 72475, 89869, 144950, 172825, 179738, 345650, 449345, 898690, 2246725, 4493450]

約数ペア:

[(1, 4493450), (2, 2246725), (5, 898690), (10, 449345), (13, 345650), (25, 179738), (26, 172825), (31, 144950), (50, 89869), (62, 72475), (65, 69130), (130, 34565), (155, 28990), (223, 20150), (310, 14495), (325, 13826), (403, 11150), (446, 10075), (650, 6913), (775, 5798), (806, 5575), (1115, 4030), (1550, 2899), (2015, 2230)]