149023820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21851}}^1$

素因数の和:21902

約数の個数: 48

約数和(自身を含む): 352429056

約数和(自身を除く): 203405236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 21851, 43702, 87404, 109255, 218510, 240361, 437020, 480722, 677381, 961444, 1201805, 1354762, 2403610, 2709524, 3386905, 4807220, 6773810, 7451191, 13547620, 14902382, 29804764, 37255955, 74511910, 149023820]

約数ペア:

[(1, 149023820), (2, 74511910), (4, 37255955), (5, 29804764), (10, 14902382), (11, 13547620), (20, 7451191), (22, 6773810), (31, 4807220), (44, 3386905), (55, 2709524), (62, 2403610), (110, 1354762), (124, 1201805), (155, 961444), (220, 677381), (310, 480722), (341, 437020), (620, 240361), (682, 218510), (1364, 109255), (1705, 87404), (3410, 43702), (6820, 21851)]