2016308975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 2737920000

約数和(自身を除く): 721611025

約数列:

[1, 5, 19, 25, 31, 95, 149, 155, 475, 589, 745, 775, 919, 2831, 2945, 3725, 4595, 4619, 14155, 14725, 17461, 22975, 23095, 28489, 70775, 87305, 87761, 115475, 136931, 142445, 436525, 438805, 541291, 684655, 712225, 2194025, 2601689, 2706455, 3423275, 4244861, 13008445, 13532275, 21224305, 65042225, 80652359, 106121525, 403261795, 2016308975]

約数ペア:

[(1, 2016308975), (5, 403261795), (19, 106121525), (25, 80652359), (31, 65042225), (95, 21224305), (149, 13532275), (155, 13008445), (475, 4244861), (589, 3423275), (745, 2706455), (775, 2601689), (919, 2194025), (2831, 712225), (2945, 684655), (3725, 541291), (4595, 438805), (4619, 436525), (14155, 142445), (14725, 136931), (17461, 115475), (22975, 87761), (23095, 87305), (28489, 70775)]