87946280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 202953600

約数和(自身を除く): 115007320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 179, 284, 346, 355, 358, 568, 692, 710, 716, 865, 895, 1384, 1420, 1432, 1730, 1790, 2840, 3460, 3580, 6920, 7160, 12283, 12709, 24566, 25418, 30967, 49132, 50836, 61415, 61934, 63545, 98264, 101672, 122830, 123868, 127090, 154835, 245660, 247736, 254180, 309670, 491320, 508360, 619340, 1238680, 2198657, 4397314, 8794628, 10993285, 17589256, 21986570, 43973140, 87946280]

約数ペア:

[(1, 87946280), (2, 43973140), (4, 21986570), (5, 17589256), (8, 10993285), (10, 8794628), (20, 4397314), (40, 2198657), (71, 1238680), (142, 619340), (173, 508360), (179, 491320), (284, 309670), (346, 254180), (355, 247736), (358, 245660), (568, 154835), (692, 127090), (710, 123868), (716, 122830), (865, 101672), (895, 98264), (1384, 63545), (1420, 61934), (1432, 61415), (1730, 50836), (1790, 49132), (2840, 30967), (3460, 25418), (3580, 24566), (6920, 12709), (7160, 12283)]