210919900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 477000720

約数和(自身を除く): 266080820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 257, 283, 290, 514, 566, 580, 725, 1028, 1132, 1285, 1415, 1450, 2570, 2830, 2900, 5140, 5660, 6425, 7075, 7453, 8207, 12850, 14150, 14906, 16414, 25700, 28300, 29812, 32828, 37265, 41035, 72731, 74530, 82070, 145462, 149060, 164140, 186325, 205175, 290924, 363655, 372650, 410350, 727310, 745300, 820700, 1454620, 1818275, 2109199, 3636550, 4218398, 7273100, 8436796, 10545995, 21091990, 42183980, 52729975, 105459950, 210919900]

約数ペア:

[(1, 210919900), (2, 105459950), (4, 52729975), (5, 42183980), (10, 21091990), (20, 10545995), (25, 8436796), (29, 7273100), (50, 4218398), (58, 3636550), (100, 2109199), (116, 1818275), (145, 1454620), (257, 820700), (283, 745300), (290, 727310), (514, 410350), (566, 372650), (580, 363655), (725, 290924), (1028, 205175), (1132, 186325), (1285, 164140), (1415, 149060), (1450, 145462), (2570, 82070), (2830, 74530), (2900, 72731), (5140, 41035), (5660, 37265), (6425, 32828), (7075, 29812), (7453, 28300), (8207, 25700), (12850, 16414), (14150, 14906)]