90184450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1609}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 179676000

約数和(自身を除く): 89491550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 1121, 1475, 1609, 2242, 2950, 3218, 5605, 8045, 11210, 16090, 28025, 30571, 40225, 56050, 61142, 80450, 94931, 152855, 189862, 305710, 474655, 764275, 949310, 1528550, 1803689, 2373275, 3607378, 4746550, 9018445, 18036890, 45092225, 90184450]

約数ペア:

[(1, 90184450), (2, 45092225), (5, 18036890), (10, 9018445), (19, 4746550), (25, 3607378), (38, 2373275), (50, 1803689), (59, 1528550), (95, 949310), (118, 764275), (190, 474655), (295, 305710), (475, 189862), (590, 152855), (950, 94931), (1121, 80450), (1475, 61142), (1609, 56050), (2242, 40225), (2950, 30571), (3218, 28025), (5605, 16090), (8045, 11210)]