148389640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{75709}}^1$

素因数の和:75734

約数の個数: 48

約数和(自身を含む): 388392300

約数和(自身を除く): 240002660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 75709, 151418, 302836, 378545, 529963, 605672, 757090, 1059926, 1514180, 2119852, 2649815, 3028360, 3709741, 4239704, 5299630, 7419482, 10599260, 14838964, 18548705, 21198520, 29677928, 37097410, 74194820, 148389640]

約数ペア:

[(1, 148389640), (2, 74194820), (4, 37097410), (5, 29677928), (7, 21198520), (8, 18548705), (10, 14838964), (14, 10599260), (20, 7419482), (28, 5299630), (35, 4239704), (40, 3709741), (49, 3028360), (56, 2649815), (70, 2119852), (98, 1514180), (140, 1059926), (196, 757090), (245, 605672), (280, 529963), (392, 378545), (490, 302836), (980, 151418), (1960, 75709)]