172875440

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12491}}^1$

素因数の和:12677

約数の個数: 40

約数和(自身を含む): 404291088

約数和(自身を除く): 231415648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 12491, 13840, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 499640, 999280, 2160943, 4321886, 8643772, 10804715, 17287544, 21609430, 34575088, 43218860, 86437720, 172875440]

約数ペア:

[(1, 172875440), (2, 86437720), (4, 43218860), (5, 34575088), (8, 21609430), (10, 17287544), (16, 10804715), (20, 8643772), (40, 4321886), (80, 2160943), (173, 999280), (346, 499640), (692, 249820), (865, 199856), (1384, 124910), (1730, 99928), (2768, 62455), (3460, 49964), (6920, 24982), (12491, 13840)]