4815850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 5183510

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 239, 310, 325, 403, 478, 650, 775, 806, 1195, 1550, 2015, 2390, 3107, 4030, 5975, 6214, 7409, 10075, 11950, 14818, 15535, 20150, 31070, 37045, 74090, 77675, 96317, 155350, 185225, 192634, 370450, 481585, 963170, 2407925, 4815850]

約数ペア:

[(1, 4815850), (2, 2407925), (5, 963170), (10, 481585), (13, 370450), (25, 192634), (26, 185225), (31, 155350), (50, 96317), (62, 77675), (65, 74090), (130, 37045), (155, 31070), (239, 20150), (310, 15535), (325, 14818), (403, 11950), (478, 10075), (650, 7409), (775, 6214), (806, 5975), (1195, 4030), (1550, 3107), (2015, 2390)]