20174850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 54840240

約数和(自身を除く): 34665390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 107, 150, 214, 225, 321, 419, 450, 535, 642, 838, 963, 1070, 1257, 1605, 1926, 2095, 2514, 2675, 3210, 3771, 4190, 4815, 5350, 6285, 7542, 8025, 9630, 10475, 12570, 16050, 18855, 20950, 24075, 31425, 37710, 44833, 48150, 62850, 89666, 94275, 134499, 188550, 224165, 268998, 403497, 448330, 672495, 806994, 1120825, 1344990, 2017485, 2241650, 3362475, 4034970, 6724950, 10087425, 20174850]

約数ペア:

[(1, 20174850), (2, 10087425), (3, 6724950), (5, 4034970), (6, 3362475), (9, 2241650), (10, 2017485), (15, 1344990), (18, 1120825), (25, 806994), (30, 672495), (45, 448330), (50, 403497), (75, 268998), (90, 224165), (107, 188550), (150, 134499), (214, 94275), (225, 89666), (321, 62850), (419, 48150), (450, 44833), (535, 37710), (642, 31425), (838, 24075), (963, 20950), (1070, 18855), (1257, 16050), (1605, 12570), (1926, 10475), (2095, 9630), (2514, 8025), (2675, 7542), (3210, 6285), (3771, 5350), (4190, 4815)]