23901220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^3$

素因数の和:110

約数の個数: 72

約数和(自身を含む): 60472440

約数和(自身を除く): 36571220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 841, 980, 1015, 1421, 1682, 2030, 2842, 3364, 4060, 4205, 5684, 5887, 7105, 8410, 11774, 14210, 16820, 23548, 24389, 28420, 29435, 41209, 48778, 58870, 82418, 97556, 117740, 121945, 164836, 170723, 206045, 243890, 341446, 412090, 487780, 682892, 824180, 853615, 1195061, 1707230, 2390122, 3414460, 4780244, 5975305, 11950610, 23901220]

約数ペア:

[(1, 23901220), (2, 11950610), (4, 5975305), (5, 4780244), (7, 3414460), (10, 2390122), (14, 1707230), (20, 1195061), (28, 853615), (29, 824180), (35, 682892), (49, 487780), (58, 412090), (70, 341446), (98, 243890), (116, 206045), (140, 170723), (145, 164836), (196, 121945), (203, 117740), (245, 97556), (290, 82418), (406, 58870), (490, 48778), (580, 41209), (812, 29435), (841, 28420), (980, 24389), (1015, 23548), (1421, 16820), (1682, 14210), (2030, 11774), (2842, 8410), (3364, 7105), (4060, 5887), (4205, 5684)]