201680750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 393142464

約数和(自身を除く): 191461714

約数列:

[1, 2, 5, 10, 25, 43, 50, 73, 86, 125, 146, 215, 250, 257, 365, 430, 514, 730, 1075, 1285, 1825, 2150, 2570, 3139, 3650, 5375, 6278, 6425, 9125, 10750, 11051, 12850, 15695, 18250, 18761, 22102, 31390, 32125, 37522, 55255, 64250, 78475, 93805, 110510, 156950, 187610, 276275, 392375, 469025, 552550, 784750, 806723, 938050, 1381375, 1613446, 2345125, 2762750, 4033615, 4690250, 8067230, 20168075, 40336150, 100840375, 201680750]

約数ペア:

[(1, 201680750), (2, 100840375), (5, 40336150), (10, 20168075), (25, 8067230), (43, 4690250), (50, 4033615), (73, 2762750), (86, 2345125), (125, 1613446), (146, 1381375), (215, 938050), (250, 806723), (257, 784750), (365, 552550), (430, 469025), (514, 392375), (730, 276275), (1075, 187610), (1285, 156950), (1825, 110510), (2150, 93805), (2570, 78475), (3139, 64250), (3650, 55255), (5375, 37522), (6278, 32125), (6425, 31390), (9125, 22102), (10750, 18761), (11051, 18250), (12850, 15695)]