90158140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 201392352

約数和(自身を除く): 111234212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 283, 340, 566, 937, 1132, 1415, 1874, 2830, 3748, 4685, 4811, 5660, 9370, 9622, 15929, 18740, 19244, 24055, 31858, 48110, 63716, 79645, 96220, 159290, 265171, 318580, 530342, 1060684, 1325855, 2651710, 4507907, 5303420, 9015814, 18031628, 22539535, 45079070, 90158140]

約数ペア:

[(1, 90158140), (2, 45079070), (4, 22539535), (5, 18031628), (10, 9015814), (17, 5303420), (20, 4507907), (34, 2651710), (68, 1325855), (85, 1060684), (170, 530342), (283, 318580), (340, 265171), (566, 159290), (937, 96220), (1132, 79645), (1415, 63716), (1874, 48110), (2830, 31858), (3748, 24055), (4685, 19244), (4811, 18740), (5660, 15929), (9370, 9622)]