90045928

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 205482150

約数和(自身を除く): 115436222

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 89, 98, 116, 178, 196, 203, 232, 356, 392, 406, 623, 712, 812, 1246, 1421, 1624, 2492, 2581, 2842, 4361, 4984, 5162, 5684, 7921, 8722, 10324, 11368, 15842, 17444, 18067, 20648, 31684, 34888, 36134, 55447, 63368, 72268, 110894, 126469, 144536, 221788, 229709, 252938, 388129, 443576, 459418, 505876, 776258, 918836, 1011752, 1552516, 1607963, 1837672, 3105032, 3215926, 6431852, 11255741, 12863704, 22511482, 45022964, 90045928]

約数ペア:

[(1, 90045928), (2, 45022964), (4, 22511482), (7, 12863704), (8, 11255741), (14, 6431852), (28, 3215926), (29, 3105032), (49, 1837672), (56, 1607963), (58, 1552516), (89, 1011752), (98, 918836), (116, 776258), (178, 505876), (196, 459418), (203, 443576), (232, 388129), (356, 252938), (392, 229709), (406, 221788), (623, 144536), (712, 126469), (812, 110894), (1246, 72268), (1421, 63368), (1624, 55447), (2492, 36134), (2581, 34888), (2842, 31684), (4361, 20648), (4984, 18067), (5162, 17444), (5684, 15842), (7921, 11368), (8722, 10324)]