201199420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1373}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 448737408

約数和(自身を除く): 247537988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 431, 862, 1373, 1724, 2155, 2746, 4310, 5492, 6865, 7327, 8620, 13730, 14654, 23341, 27460, 29308, 36635, 46682, 73270, 93364, 116705, 146540, 233410, 466820, 591763, 1183526, 2367052, 2958815, 5917630, 10059971, 11835260, 20119942, 40239884, 50299855, 100599710, 201199420]

約数ペア:

[(1, 201199420), (2, 100599710), (4, 50299855), (5, 40239884), (10, 20119942), (17, 11835260), (20, 10059971), (34, 5917630), (68, 2958815), (85, 2367052), (170, 1183526), (340, 591763), (431, 466820), (862, 233410), (1373, 146540), (1724, 116705), (2155, 93364), (2746, 73270), (4310, 46682), (5492, 36635), (6865, 29308), (7327, 27460), (8620, 23341), (13730, 14654)]