73856840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6389}}^1$

素因数の和:6434

約数の個数: 48

約数和(自身を含む): 176555700

約数和(自身を除く): 102698860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 6389, 11560, 12778, 25556, 31945, 51112, 63890, 108613, 127780, 217226, 255560, 434452, 543065, 868904, 1086130, 1846421, 2172260, 3692842, 4344520, 7385684, 9232105, 14771368, 18464210, 36928420, 73856840]

約数ペア:

[(1, 73856840), (2, 36928420), (4, 18464210), (5, 14771368), (8, 9232105), (10, 7385684), (17, 4344520), (20, 3692842), (34, 2172260), (40, 1846421), (68, 1086130), (85, 868904), (136, 543065), (170, 434452), (289, 255560), (340, 217226), (578, 127780), (680, 108613), (1156, 63890), (1445, 51112), (2312, 31945), (2890, 25556), (5780, 12778), (6389, 11560)]