354209720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 826122240

約数和(自身を除く): 471912520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 620, 662, 863, 1240, 1324, 1655, 1726, 2648, 3310, 3452, 4315, 6620, 6904, 8630, 10261, 13240, 17260, 20522, 26753, 34520, 41044, 51305, 53506, 82088, 102610, 107012, 133765, 205220, 214024, 267530, 285653, 410440, 535060, 571306, 1070120, 1142612, 1428265, 2285224, 2856530, 5713060, 8855243, 11426120, 17710486, 35420972, 44276215, 70841944, 88552430, 177104860, 354209720]

約数ペア:

[(1, 354209720), (2, 177104860), (4, 88552430), (5, 70841944), (8, 44276215), (10, 35420972), (20, 17710486), (31, 11426120), (40, 8855243), (62, 5713060), (124, 2856530), (155, 2285224), (248, 1428265), (310, 1142612), (331, 1070120), (620, 571306), (662, 535060), (863, 410440), (1240, 285653), (1324, 267530), (1655, 214024), (1726, 205220), (2648, 133765), (3310, 107012), (3452, 102610), (4315, 82088), (6620, 53506), (6904, 51305), (8630, 41044), (10261, 34520), (13240, 26753), (17260, 20522)]