258322120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131797}}^1$

素因数の和:131822

約数の個数: 48

約数和(自身を含む): 676123740

約数和(自身を除く): 417801620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 131797, 263594, 527188, 658985, 922579, 1054376, 1317970, 1845158, 2635940, 3690316, 4612895, 5271880, 6458053, 7380632, 9225790, 12916106, 18451580, 25832212, 32290265, 36903160, 51664424, 64580530, 129161060, 258322120]

約数ペア:

[(1, 258322120), (2, 129161060), (4, 64580530), (5, 51664424), (7, 36903160), (8, 32290265), (10, 25832212), (14, 18451580), (20, 12916106), (28, 9225790), (35, 7380632), (40, 6458053), (49, 5271880), (56, 4612895), (70, 3690316), (98, 2635940), (140, 1845158), (196, 1317970), (245, 1054376), (280, 922579), (392, 658985), (490, 527188), (980, 263594), (1960, 131797)]