146653720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 340381440

約数和(自身を除く): 193727720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 223, 328, 401, 410, 446, 802, 820, 892, 1115, 1604, 1640, 1784, 2005, 2230, 3208, 4010, 4460, 8020, 8920, 9143, 16040, 16441, 18286, 32882, 36572, 45715, 65764, 73144, 82205, 89423, 91430, 131528, 164410, 178846, 182860, 328820, 357692, 365720, 447115, 657640, 715384, 894230, 1788460, 3576920, 3666343, 7332686, 14665372, 18331715, 29330744, 36663430, 73326860, 146653720]

約数ペア:

[(1, 146653720), (2, 73326860), (4, 36663430), (5, 29330744), (8, 18331715), (10, 14665372), (20, 7332686), (40, 3666343), (41, 3576920), (82, 1788460), (164, 894230), (205, 715384), (223, 657640), (328, 447115), (401, 365720), (410, 357692), (446, 328820), (802, 182860), (820, 178846), (892, 164410), (1115, 131528), (1604, 91430), (1640, 89423), (1784, 82205), (2005, 73144), (2230, 65764), (3208, 45715), (4010, 36572), (4460, 32882), (8020, 18286), (8920, 16441), (9143, 16040)]