31131940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3769}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 76003200

約数和(自身を除く): 44871260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 3769, 4130, 7538, 8260, 15076, 18845, 26383, 37690, 52766, 75380, 105532, 131915, 222371, 263830, 444742, 527660, 889484, 1111855, 1556597, 2223710, 3113194, 4447420, 6226388, 7782985, 15565970, 31131940]

約数ペア:

[(1, 31131940), (2, 15565970), (4, 7782985), (5, 6226388), (7, 4447420), (10, 3113194), (14, 2223710), (20, 1556597), (28, 1111855), (35, 889484), (59, 527660), (70, 444742), (118, 263830), (140, 222371), (236, 131915), (295, 105532), (413, 75380), (590, 52766), (826, 37690), (1180, 26383), (1652, 18845), (2065, 15076), (3769, 8260), (4130, 7538)]