2945220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 8322048

約数和(自身を除く): 5376828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 257, 382, 514, 573, 764, 771, 955, 1028, 1146, 1285, 1542, 1910, 2292, 2570, 2865, 3084, 3820, 3855, 5140, 5730, 7710, 11460, 15420, 49087, 98174, 147261, 196348, 245435, 294522, 490870, 589044, 736305, 981740, 1472610, 2945220]

約数ペア:

[(1, 2945220), (2, 1472610), (3, 981740), (4, 736305), (5, 589044), (6, 490870), (10, 294522), (12, 245435), (15, 196348), (20, 147261), (30, 98174), (60, 49087), (191, 15420), (257, 11460), (382, 7710), (514, 5730), (573, 5140), (764, 3855), (771, 3820), (955, 3084), (1028, 2865), (1146, 2570), (1285, 2292), (1542, 1910)]