222728180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 486259200

約数和(自身を除く): 263531020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2411, 2980, 4619, 4822, 9238, 9644, 12055, 18476, 23095, 24110, 46190, 48220, 74741, 92380, 149482, 298964, 359239, 373705, 718478, 747410, 1436956, 1494820, 1796195, 3592390, 7184780, 11136409, 22272818, 44545636, 55682045, 111364090, 222728180]

約数ペア:

[(1, 222728180), (2, 111364090), (4, 55682045), (5, 44545636), (10, 22272818), (20, 11136409), (31, 7184780), (62, 3592390), (124, 1796195), (149, 1494820), (155, 1436956), (298, 747410), (310, 718478), (596, 373705), (620, 359239), (745, 298964), (1490, 149482), (2411, 92380), (2980, 74741), (4619, 48220), (4822, 46190), (9238, 24110), (9644, 23095), (12055, 18476)]