1937780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 4551120

約数和(自身を除く): 2613340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 257, 260, 290, 377, 514, 580, 754, 1028, 1285, 1508, 1885, 2570, 3341, 3770, 5140, 6682, 7453, 7540, 13364, 14906, 16705, 29812, 33410, 37265, 66820, 74530, 96889, 149060, 193778, 387556, 484445, 968890, 1937780]

約数ペア:

[(1, 1937780), (2, 968890), (4, 484445), (5, 387556), (10, 193778), (13, 149060), (20, 96889), (26, 74530), (29, 66820), (52, 37265), (58, 33410), (65, 29812), (116, 16705), (130, 14906), (145, 13364), (257, 7540), (260, 7453), (290, 6682), (377, 5140), (514, 3770), (580, 3341), (754, 2570), (1028, 1885), (1285, 1508)]