216439600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 120

約数和(自身を含む): 566682480

約数和(自身を除く): 350242880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 107, 130, 200, 208, 214, 260, 325, 389, 400, 428, 520, 535, 650, 778, 856, 1040, 1070, 1300, 1391, 1556, 1712, 1945, 2140, 2600, 2675, 2782, 3112, 3890, 4280, 5057, 5200, 5350, 5564, 6224, 6955, 7780, 8560, 9725, 10114, 10700, 11128, 13910, 15560, 19450, 20228, 21400, 22256, 25285, 27820, 31120, 34775, 38900, 40456, 41623, 42800, 50570, 55640, 69550, 77800, 80912, 83246, 101140, 111280, 126425, 139100, 155600, 166492, 202280, 208115, 252850, 278200, 332984, 404560, 416230, 505700, 541099, 556400, 665968, 832460, 1011400, 1040575, 1082198, 1664920, 2022800, 2081150, 2164396, 2705495, 3329840, 4162300, 4328792, 5410990, 8324600, 8657584, 10821980, 13527475, 16649200, 21643960, 27054950, 43287920, 54109900, 108219800, 216439600]

約数ペア:

[(1, 216439600), (2, 108219800), (4, 54109900), (5, 43287920), (8, 27054950), (10, 21643960), (13, 16649200), (16, 13527475), (20, 10821980), (25, 8657584), (26, 8324600), (40, 5410990), (50, 4328792), (52, 4162300), (65, 3329840), (80, 2705495), (100, 2164396), (104, 2081150), (107, 2022800), (130, 1664920), (200, 1082198), (208, 1040575), (214, 1011400), (260, 832460), (325, 665968), (389, 556400), (400, 541099), (428, 505700), (520, 416230), (535, 404560), (650, 332984), (778, 278200), (856, 252850), (1040, 208115), (1070, 202280), (1300, 166492), (1391, 155600), (1556, 139100), (1712, 126425), (1945, 111280), (2140, 101140), (2600, 83246), (2675, 80912), (2782, 77800), (3112, 69550), (3890, 55640), (4280, 50570), (5057, 42800), (5200, 41623), (5350, 40456), (5564, 38900), (6224, 34775), (6955, 31120), (7780, 27820), (8560, 25285), (9725, 22256), (10114, 21400), (10700, 20228), (11128, 19450), (13910, 15560)]