68763980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 153679680

約数和(自身を除く): 84915700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 526, 769, 1052, 1315, 1538, 2630, 3076, 3845, 4471, 5260, 7690, 8942, 13073, 15380, 17884, 22355, 26146, 44710, 52292, 65365, 89420, 130730, 202247, 261460, 404494, 808988, 1011235, 2022470, 3438199, 4044940, 6876398, 13752796, 17190995, 34381990, 68763980]

約数ペア:

[(1, 68763980), (2, 34381990), (4, 17190995), (5, 13752796), (10, 6876398), (17, 4044940), (20, 3438199), (34, 2022470), (68, 1011235), (85, 808988), (170, 404494), (263, 261460), (340, 202247), (526, 130730), (769, 89420), (1052, 65365), (1315, 52292), (1538, 44710), (2630, 26146), (3076, 22355), (3845, 17884), (4471, 15380), (5260, 13073), (7690, 8942)]