818145860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{3623}}^1$

素因数の和:5252

約数の個数: 48

約数和(自身を含む): 1965309696

約数和(自身を除く): 1147163836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1613, 3226, 3623, 6452, 7246, 8065, 11291, 14492, 16130, 18115, 22582, 25361, 32260, 36230, 45164, 50722, 56455, 72460, 101444, 112910, 126805, 225820, 253610, 507220, 5843899, 11687798, 23375596, 29219495, 40907293, 58438990, 81814586, 116877980, 163629172, 204536465, 409072930, 818145860]

約数ペア:

[(1, 818145860), (2, 409072930), (4, 204536465), (5, 163629172), (7, 116877980), (10, 81814586), (14, 58438990), (20, 40907293), (28, 29219495), (35, 23375596), (70, 11687798), (140, 5843899), (1613, 507220), (3226, 253610), (3623, 225820), (6452, 126805), (7246, 112910), (8065, 101444), (11291, 72460), (14492, 56455), (16130, 50722), (18115, 45164), (22582, 36230), (25361, 32260)]