2155705910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{3121}}^1$

素因数の和:3401

約数の個数: 48

約数和(自身を含む): 4140521280

約数和(自身を除く): 1984815370

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 289, 478, 578, 1195, 1445, 2390, 2890, 3121, 4063, 6242, 8126, 15605, 20315, 31210, 40630, 53057, 69071, 106114, 138142, 265285, 345355, 530570, 690710, 745919, 901969, 1491838, 1803938, 3729595, 4509845, 7459190, 9019690, 12680623, 25361246, 63403115, 126806230, 215570591, 431141182, 1077852955, 2155705910]

約数ペア:

[(1, 2155705910), (2, 1077852955), (5, 431141182), (10, 215570591), (17, 126806230), (34, 63403115), (85, 25361246), (170, 12680623), (239, 9019690), (289, 7459190), (478, 4509845), (578, 3729595), (1195, 1803938), (1445, 1491838), (2390, 901969), (2890, 745919), (3121, 690710), (4063, 530570), (6242, 345355), (8126, 265285), (15605, 138142), (20315, 106114), (31210, 69071), (40630, 53057)]