221583460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{29863}}^1$

素因数の和:29932

約数の個数: 48

約数和(自身を含む): 541852416

約数和(自身を除く): 320268956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 29863, 59726, 119452, 149315, 209041, 298630, 418082, 597260, 836164, 1045205, 1582739, 2090410, 3165478, 4180820, 6330956, 7913695, 11079173, 15827390, 22158346, 31654780, 44316692, 55395865, 110791730, 221583460]

約数ペア:

[(1, 221583460), (2, 110791730), (4, 55395865), (5, 44316692), (7, 31654780), (10, 22158346), (14, 15827390), (20, 11079173), (28, 7913695), (35, 6330956), (53, 4180820), (70, 3165478), (106, 2090410), (140, 1582739), (212, 1045205), (265, 836164), (371, 597260), (530, 418082), (742, 298630), (1060, 209041), (1484, 149315), (1855, 119452), (3710, 59726), (7420, 29863)]