678743540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{8117}}^1$

素因数の和:8276

約数の個数: 48

約数和(自身を含む): 1477021392

約数和(自身を除く): 798277852

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 565, 740, 1130, 2260, 4181, 8117, 8362, 16234, 16724, 20905, 32468, 40585, 41810, 81170, 83620, 162340, 300329, 600658, 917221, 1201316, 1501645, 1834442, 3003290, 3668884, 4586105, 6006580, 9172210, 18344420, 33937177, 67874354, 135748708, 169685885, 339371770, 678743540]

約数ペア:

[(1, 678743540), (2, 339371770), (4, 169685885), (5, 135748708), (10, 67874354), (20, 33937177), (37, 18344420), (74, 9172210), (113, 6006580), (148, 4586105), (185, 3668884), (226, 3003290), (370, 1834442), (452, 1501645), (565, 1201316), (740, 917221), (1130, 600658), (2260, 300329), (4181, 162340), (8117, 83620), (8362, 81170), (16234, 41810), (16724, 40585), (20905, 32468)]