18103000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 43449120

約数和(自身を除く): 25346120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 421, 430, 500, 842, 860, 1000, 1075, 1684, 1720, 2105, 2150, 3368, 4210, 4300, 5375, 8420, 8600, 10525, 10750, 16840, 18103, 21050, 21500, 36206, 42100, 43000, 52625, 72412, 84200, 90515, 105250, 144824, 181030, 210500, 362060, 421000, 452575, 724120, 905150, 1810300, 2262875, 3620600, 4525750, 9051500, 18103000]

約数ペア:

[(1, 18103000), (2, 9051500), (4, 4525750), (5, 3620600), (8, 2262875), (10, 1810300), (20, 905150), (25, 724120), (40, 452575), (43, 421000), (50, 362060), (86, 210500), (100, 181030), (125, 144824), (172, 105250), (200, 90515), (215, 84200), (250, 72412), (344, 52625), (421, 43000), (430, 42100), (500, 36206), (842, 21500), (860, 21050), (1000, 18103), (1075, 16840), (1684, 10750), (1720, 10525), (2105, 8600), (2150, 8420), (3368, 5375), (4210, 4300)]