139609850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 265663800

約数和(自身を除く): 126053950

約数列:

[1, 2, 5, 10, 25, 50, 89, 137, 178, 229, 274, 445, 458, 685, 890, 1145, 1370, 2225, 2290, 3425, 4450, 5725, 6850, 11450, 12193, 20381, 24386, 31373, 40762, 60965, 62746, 101905, 121930, 156865, 203810, 304825, 313730, 509525, 609650, 784325, 1019050, 1568650, 2792197, 5584394, 13960985, 27921970, 69804925, 139609850]

約数ペア:

[(1, 139609850), (2, 69804925), (5, 27921970), (10, 13960985), (25, 5584394), (50, 2792197), (89, 1568650), (137, 1019050), (178, 784325), (229, 609650), (274, 509525), (445, 313730), (458, 304825), (685, 203810), (890, 156865), (1145, 121930), (1370, 101905), (2225, 62746), (2290, 60965), (3425, 40762), (4450, 31373), (5725, 24386), (6850, 20381), (11450, 12193)]