38746900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 89994240

約数和(自身を除く): 51247340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 431, 580, 620, 725, 775, 862, 899, 1450, 1550, 1724, 1798, 2155, 2900, 3100, 3596, 4310, 4495, 8620, 8990, 10775, 12499, 13361, 17980, 21550, 22475, 24998, 26722, 43100, 44950, 49996, 53444, 62495, 66805, 89900, 124990, 133610, 249980, 267220, 312475, 334025, 387469, 624950, 668050, 774938, 1249900, 1336100, 1549876, 1937345, 3874690, 7749380, 9686725, 19373450, 38746900]

約数ペア:

[(1, 38746900), (2, 19373450), (4, 9686725), (5, 7749380), (10, 3874690), (20, 1937345), (25, 1549876), (29, 1336100), (31, 1249900), (50, 774938), (58, 668050), (62, 624950), (100, 387469), (116, 334025), (124, 312475), (145, 267220), (155, 249980), (290, 133610), (310, 124990), (431, 89900), (580, 66805), (620, 62495), (725, 53444), (775, 49996), (862, 44950), (899, 43100), (1450, 26722), (1550, 24998), (1724, 22475), (1798, 21550), (2155, 17980), (2900, 13361), (3100, 12499), (3596, 10775), (4310, 8990), (4495, 8620)]