90121820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1831}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 199438848

約数和(自身を除く): 109317028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 1070, 1831, 2140, 2461, 3662, 4922, 7324, 9155, 9844, 12305, 18310, 24610, 36620, 42113, 49220, 84226, 168452, 195917, 210565, 391834, 421130, 783668, 842260, 979585, 1959170, 3918340, 4506091, 9012182, 18024364, 22530455, 45060910, 90121820]

約数ペア:

[(1, 90121820), (2, 45060910), (4, 22530455), (5, 18024364), (10, 9012182), (20, 4506091), (23, 3918340), (46, 1959170), (92, 979585), (107, 842260), (115, 783668), (214, 421130), (230, 391834), (428, 210565), (460, 195917), (535, 168452), (1070, 84226), (1831, 49220), (2140, 42113), (2461, 36620), (3662, 24610), (4922, 18310), (7324, 12305), (9155, 9844)]