140231780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28387}}^1$

素因数の和:28428

約数の個数: 48

約数和(自身を含む): 333842880

約数和(自身を除く): 193611100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 28387, 56774, 113548, 141935, 283870, 369031, 539353, 567740, 738062, 1078706, 1476124, 1845155, 2157412, 2696765, 3690310, 5393530, 7011589, 7380620, 10787060, 14023178, 28046356, 35057945, 70115890, 140231780]

約数ペア:

[(1, 140231780), (2, 70115890), (4, 35057945), (5, 28046356), (10, 14023178), (13, 10787060), (19, 7380620), (20, 7011589), (26, 5393530), (38, 3690310), (52, 2696765), (65, 2157412), (76, 1845155), (95, 1476124), (130, 1078706), (190, 738062), (247, 567740), (260, 539353), (380, 369031), (494, 283870), (988, 141935), (1235, 113548), (2470, 56774), (4940, 28387)]