280125820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{14759}}^1$

素因数の和:14854

約数の個数: 48

約数和(自身を含む): 642237120

約数和(自身を除く): 362111300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 14759, 18980, 29518, 59036, 73795, 147590, 191867, 295180, 383734, 767468, 959335, 1077407, 1918670, 2154814, 3837340, 4309628, 5387035, 10774070, 14006291, 21548140, 28012582, 56025164, 70031455, 140062910, 280125820]

約数ペア:

[(1, 280125820), (2, 140062910), (4, 70031455), (5, 56025164), (10, 28012582), (13, 21548140), (20, 14006291), (26, 10774070), (52, 5387035), (65, 4309628), (73, 3837340), (130, 2154814), (146, 1918670), (260, 1077407), (292, 959335), (365, 767468), (730, 383734), (949, 295180), (1460, 191867), (1898, 147590), (3796, 73795), (4745, 59036), (9490, 29518), (14759, 18980)]