399307560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{195739}}^1$

素因数の和:195770

約数の個数: 64

約数和(自身を含む): 1268395200

約数和(自身を除く): 869087640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 195739, 391478, 587217, 782956, 978695, 1174434, 1565912, 1957390, 2348868, 2936085, 3327563, 3914780, 4697736, 5872170, 6655126, 7829560, 9982689, 11744340, 13310252, 16637815, 19965378, 23488680, 26620504, 33275630, 39930756, 49913445, 66551260, 79861512, 99826890, 133102520, 199653780, 399307560]

約数ペア:

[(1, 399307560), (2, 199653780), (3, 133102520), (4, 99826890), (5, 79861512), (6, 66551260), (8, 49913445), (10, 39930756), (12, 33275630), (15, 26620504), (17, 23488680), (20, 19965378), (24, 16637815), (30, 13310252), (34, 11744340), (40, 9982689), (51, 7829560), (60, 6655126), (68, 5872170), (85, 4697736), (102, 3914780), (120, 3327563), (136, 2936085), (170, 2348868), (204, 1957390), (255, 1565912), (340, 1174434), (408, 978695), (510, 782956), (680, 587217), (1020, 391478), (2040, 195739)]