90214340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 196729344

約数和(自身を除く): 106515004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 310, 454, 620, 641, 908, 1135, 1282, 2270, 2564, 3205, 4540, 6410, 7037, 12820, 14074, 19871, 28148, 35185, 39742, 70370, 79484, 99355, 140740, 145507, 198710, 291014, 397420, 582028, 727535, 1455070, 2910140, 4510717, 9021434, 18042868, 22553585, 45107170, 90214340]

約数ペア:

[(1, 90214340), (2, 45107170), (4, 22553585), (5, 18042868), (10, 9021434), (20, 4510717), (31, 2910140), (62, 1455070), (124, 727535), (155, 582028), (227, 397420), (310, 291014), (454, 198710), (620, 145507), (641, 140740), (908, 99355), (1135, 79484), (1282, 70370), (2270, 39742), (2564, 35185), (3205, 28148), (4540, 19871), (6410, 14074), (7037, 12820)]