90349820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{887}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 207664128

約数和(自身を除く): 117314308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 463, 887, 926, 1774, 1852, 2315, 3548, 4435, 4630, 5093, 8870, 9260, 9757, 10186, 17740, 19514, 20372, 25465, 39028, 48785, 50930, 97570, 101860, 195140, 410681, 821362, 1642724, 2053405, 4106810, 4517491, 8213620, 9034982, 18069964, 22587455, 45174910, 90349820]

約数ペア:

[(1, 90349820), (2, 45174910), (4, 22587455), (5, 18069964), (10, 9034982), (11, 8213620), (20, 4517491), (22, 4106810), (44, 2053405), (55, 1642724), (110, 821362), (220, 410681), (463, 195140), (887, 101860), (926, 97570), (1774, 50930), (1852, 48785), (2315, 39028), (3548, 25465), (4435, 20372), (4630, 19514), (5093, 17740), (8870, 10186), (9260, 9757)]