521116420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{124669}}^1$

素因数の和:124708

約数の個数: 48

約数和(自身を含む): 1256673600

約数和(自身を除く): 735557180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 124669, 249338, 498676, 623345, 1246690, 1371359, 2368711, 2493380, 2742718, 4737422, 5485436, 6856795, 9474844, 11843555, 13713590, 23687110, 26055821, 27427180, 47374220, 52111642, 104223284, 130279105, 260558210, 521116420]

約数ペア:

[(1, 521116420), (2, 260558210), (4, 130279105), (5, 104223284), (10, 52111642), (11, 47374220), (19, 27427180), (20, 26055821), (22, 23687110), (38, 13713590), (44, 11843555), (55, 9474844), (76, 6856795), (95, 5485436), (110, 4737422), (190, 2742718), (209, 2493380), (220, 2368711), (380, 1371359), (418, 1246690), (836, 623345), (1045, 498676), (2090, 249338), (4180, 124669)]