164863820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1669}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 378756000

約数和(自身を除く): 213892180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 898, 1669, 1796, 2245, 3338, 4490, 4939, 6676, 8345, 8980, 9878, 16690, 18359, 19756, 24695, 33380, 36718, 49390, 73436, 91795, 98780, 183590, 367180, 749381, 1498762, 2997524, 3746905, 7493810, 8243191, 14987620, 16486382, 32972764, 41215955, 82431910, 164863820]

約数ペア:

[(1, 164863820), (2, 82431910), (4, 41215955), (5, 32972764), (10, 16486382), (11, 14987620), (20, 8243191), (22, 7493810), (44, 3746905), (55, 2997524), (110, 1498762), (220, 749381), (449, 367180), (898, 183590), (1669, 98780), (1796, 91795), (2245, 73436), (3338, 49390), (4490, 36718), (4939, 33380), (6676, 24695), (8345, 19756), (8980, 18359), (9878, 16690)]