1640999710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{971}}^1\times {\mathrm{3449}}^1$

素因数の和:4441

約数の個数: 48

約数和(自身を含む): 3440588400

約数和(自身を除く): 1799588690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 971, 1942, 3449, 4855, 6797, 6898, 9710, 13594, 17245, 24143, 33985, 34490, 47579, 48286, 67970, 95158, 120715, 169001, 237895, 241430, 338002, 475790, 845005, 1690010, 3348979, 6697958, 16744895, 23442853, 33489790, 46885706, 117214265, 164099971, 234428530, 328199942, 820499855, 1640999710]

約数ペア:

[(1, 1640999710), (2, 820499855), (5, 328199942), (7, 234428530), (10, 164099971), (14, 117214265), (35, 46885706), (49, 33489790), (70, 23442853), (98, 16744895), (245, 6697958), (490, 3348979), (971, 1690010), (1942, 845005), (3449, 475790), (4855, 338002), (6797, 241430), (6898, 237895), (9710, 169001), (13594, 120715), (17245, 95158), (24143, 67970), (33985, 48286), (34490, 47579)]