280530328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 606100320

約数和(自身を除く): 325569992

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 101, 104, 136, 202, 221, 404, 442, 808, 884, 1313, 1571, 1717, 1768, 2626, 3142, 3434, 5252, 6284, 6868, 10504, 12568, 13736, 20423, 22321, 26707, 40846, 44642, 53414, 81692, 89284, 106828, 158671, 163384, 178568, 213656, 317342, 347191, 634684, 694382, 1269368, 1388764, 2062723, 2697407, 2777528, 4125446, 5394814, 8250892, 10789628, 16501784, 21579256, 35066291, 70132582, 140265164, 280530328]

約数ペア:

[(1, 280530328), (2, 140265164), (4, 70132582), (8, 35066291), (13, 21579256), (17, 16501784), (26, 10789628), (34, 8250892), (52, 5394814), (68, 4125446), (101, 2777528), (104, 2697407), (136, 2062723), (202, 1388764), (221, 1269368), (404, 694382), (442, 634684), (808, 347191), (884, 317342), (1313, 213656), (1571, 178568), (1717, 163384), (1768, 158671), (2626, 106828), (3142, 89284), (3434, 81692), (5252, 53414), (6284, 44642), (6868, 40846), (10504, 26707), (12568, 22321), (13736, 20423)]