17212840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1489}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 41168700

約数和(自身を除く): 23955860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1489, 2312, 2890, 2978, 5780, 5956, 7445, 11560, 11912, 14890, 25313, 29780, 50626, 59560, 101252, 126565, 202504, 253130, 430321, 506260, 860642, 1012520, 1721284, 2151605, 3442568, 4303210, 8606420, 17212840]

約数ペア:

[(1, 17212840), (2, 8606420), (4, 4303210), (5, 3442568), (8, 2151605), (10, 1721284), (17, 1012520), (20, 860642), (34, 506260), (40, 430321), (68, 253130), (85, 202504), (136, 126565), (170, 101252), (289, 59560), (340, 50626), (578, 29780), (680, 25313), (1156, 14890), (1445, 11912), (1489, 11560), (2312, 7445), (2890, 5956), (2978, 5780)]