90881240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 210621600

約数和(自身を除く): 119740360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 97, 118, 194, 236, 295, 388, 397, 472, 485, 590, 776, 794, 970, 1180, 1588, 1940, 1985, 2360, 3176, 3880, 3970, 5723, 7940, 11446, 15880, 22892, 23423, 28615, 38509, 45784, 46846, 57230, 77018, 93692, 114460, 117115, 154036, 187384, 192545, 228920, 234230, 308072, 385090, 468460, 770180, 936920, 1540360, 2272031, 4544062, 9088124, 11360155, 18176248, 22720310, 45440620, 90881240]

約数ペア:

[(1, 90881240), (2, 45440620), (4, 22720310), (5, 18176248), (8, 11360155), (10, 9088124), (20, 4544062), (40, 2272031), (59, 1540360), (97, 936920), (118, 770180), (194, 468460), (236, 385090), (295, 308072), (388, 234230), (397, 228920), (472, 192545), (485, 187384), (590, 154036), (776, 117115), (794, 114460), (970, 93692), (1180, 77018), (1588, 57230), (1940, 46846), (1985, 45784), (2360, 38509), (3176, 28615), (3880, 23423), (3970, 22892), (5723, 15880), (7940, 11446)]