2455820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 5660928

約数和(自身を除く): 3205108

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 233, 310, 340, 466, 527, 620, 932, 1054, 1165, 2108, 2330, 2635, 3961, 4660, 5270, 7223, 7922, 10540, 14446, 15844, 19805, 28892, 36115, 39610, 72230, 79220, 122791, 144460, 245582, 491164, 613955, 1227910, 2455820]

約数ペア:

[(1, 2455820), (2, 1227910), (4, 613955), (5, 491164), (10, 245582), (17, 144460), (20, 122791), (31, 79220), (34, 72230), (62, 39610), (68, 36115), (85, 28892), (124, 19805), (155, 15844), (170, 14446), (233, 10540), (310, 7922), (340, 7223), (466, 5270), (527, 4660), (620, 3961), (932, 2635), (1054, 2330), (1165, 2108)]