139445540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1747}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 316569792

約数和(自身を除く): 177124252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 1228, 1535, 1747, 3070, 3494, 3991, 6140, 6988, 7982, 8735, 15964, 17470, 19955, 22711, 34940, 39910, 45422, 79820, 90844, 113555, 227110, 454220, 536329, 1072658, 2145316, 2681645, 5363290, 6972277, 10726580, 13944554, 27889108, 34861385, 69722770, 139445540]

約数ペア:

[(1, 139445540), (2, 69722770), (4, 34861385), (5, 27889108), (10, 13944554), (13, 10726580), (20, 6972277), (26, 5363290), (52, 2681645), (65, 2145316), (130, 1072658), (260, 536329), (307, 454220), (614, 227110), (1228, 113555), (1535, 90844), (1747, 79820), (3070, 45422), (3494, 39910), (3991, 34940), (6140, 22711), (6988, 19955), (7982, 17470), (8735, 15964)]