90506980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 208696824

約数和(自身を除く): 118189844

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 277, 310, 340, 527, 554, 620, 961, 1054, 1108, 1385, 1922, 2108, 2635, 2770, 3844, 4709, 4805, 5270, 5540, 8587, 9418, 9610, 10540, 16337, 17174, 18836, 19220, 23545, 32674, 34348, 42935, 47090, 65348, 81685, 85870, 94180, 145979, 163370, 171740, 266197, 291958, 326740, 532394, 583916, 729895, 1064788, 1330985, 1459790, 2661970, 2919580, 4525349, 5323940, 9050698, 18101396, 22626745, 45253490, 90506980]

約数ペア:

[(1, 90506980), (2, 45253490), (4, 22626745), (5, 18101396), (10, 9050698), (17, 5323940), (20, 4525349), (31, 2919580), (34, 2661970), (62, 1459790), (68, 1330985), (85, 1064788), (124, 729895), (155, 583916), (170, 532394), (277, 326740), (310, 291958), (340, 266197), (527, 171740), (554, 163370), (620, 145979), (961, 94180), (1054, 85870), (1108, 81685), (1385, 65348), (1922, 47090), (2108, 42935), (2635, 34348), (2770, 32674), (3844, 23545), (4709, 19220), (4805, 18836), (5270, 17174), (5540, 16337), (8587, 10540), (9418, 9610)]