2851420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 7041888

約数和(自身を除く): 4190468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 997, 1430, 1994, 2860, 3988, 4985, 9970, 10967, 12961, 19940, 21934, 25922, 43868, 51844, 54835, 64805, 109670, 129610, 142571, 219340, 259220, 285142, 570284, 712855, 1425710, 2851420]

約数ペア:

[(1, 2851420), (2, 1425710), (4, 712855), (5, 570284), (10, 285142), (11, 259220), (13, 219340), (20, 142571), (22, 129610), (26, 109670), (44, 64805), (52, 54835), (55, 51844), (65, 43868), (110, 25922), (130, 21934), (143, 19940), (220, 12961), (260, 10967), (286, 9970), (572, 4985), (715, 3988), (997, 2860), (1430, 1994)]