90956420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2237}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 203031360

約数和(自身を除く): 112074940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 2237, 4066, 4474, 8132, 8948, 10165, 11185, 20330, 22370, 40660, 42503, 44740, 85006, 170012, 212515, 239359, 425030, 478718, 850060, 957436, 1196795, 2393590, 4547821, 4787180, 9095642, 18191284, 22739105, 45478210, 90956420]

約数ペア:

[(1, 90956420), (2, 45478210), (4, 22739105), (5, 18191284), (10, 9095642), (19, 4787180), (20, 4547821), (38, 2393590), (76, 1196795), (95, 957436), (107, 850060), (190, 478718), (214, 425030), (380, 239359), (428, 212515), (535, 170012), (1070, 85006), (2033, 44740), (2140, 42503), (2237, 40660), (4066, 22370), (4474, 20330), (8132, 11185), (8948, 10165)]