408520908

素因数分解:

$2^2\times 3^5\times {\mathrm{157}}^1\times {\mathrm{2677}}^1$

素因数の和:2853

約数の個数: 72

約数和(自身を含む): 1078119952

約数和(自身を除く): 669599044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 243, 314, 324, 471, 486, 628, 942, 972, 1413, 1884, 2677, 2826, 4239, 5354, 5652, 8031, 8478, 10708, 12717, 16062, 16956, 24093, 25434, 32124, 38151, 48186, 50868, 72279, 76302, 96372, 144558, 152604, 216837, 289116, 420289, 433674, 650511, 840578, 867348, 1260867, 1301022, 1681156, 2521734, 2602044, 3782601, 5043468, 7565202, 11347803, 15130404, 22695606, 34043409, 45391212, 68086818, 102130227, 136173636, 204260454, 408520908]

約数ペア:

[(1, 408520908), (2, 204260454), (3, 136173636), (4, 102130227), (6, 68086818), (9, 45391212), (12, 34043409), (18, 22695606), (27, 15130404), (36, 11347803), (54, 7565202), (81, 5043468), (108, 3782601), (157, 2602044), (162, 2521734), (243, 1681156), (314, 1301022), (324, 1260867), (471, 867348), (486, 840578), (628, 650511), (942, 433674), (972, 420289), (1413, 289116), (1884, 216837), (2677, 152604), (2826, 144558), (4239, 96372), (5354, 76302), (5652, 72279), (8031, 50868), (8478, 48186), (10708, 38151), (12717, 32124), (16062, 25434), (16956, 24093)]