263656590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2921

約数の個数: 64

約数和(自身を含む): 665280000

約数和(自身を除く): 401623410

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 139, 230, 278, 345, 417, 690, 695, 834, 1390, 2085, 2749, 3197, 4170, 5498, 6394, 8247, 9591, 13745, 15985, 16494, 19182, 27490, 31970, 41235, 47955, 63227, 82470, 95910, 126454, 189681, 316135, 379362, 382111, 632270, 764222, 948405, 1146333, 1896810, 1910555, 2292666, 3821110, 5731665, 8788553, 11463330, 17577106, 26365659, 43942765, 52731318, 87885530, 131828295, 263656590]

約数ペア:

[(1, 263656590), (2, 131828295), (3, 87885530), (5, 52731318), (6, 43942765), (10, 26365659), (15, 17577106), (23, 11463330), (30, 8788553), (46, 5731665), (69, 3821110), (115, 2292666), (138, 1910555), (139, 1896810), (230, 1146333), (278, 948405), (345, 764222), (417, 632270), (690, 382111), (695, 379362), (834, 316135), (1390, 189681), (2085, 126454), (2749, 95910), (3197, 82470), (4170, 63227), (5498, 47955), (6394, 41235), (8247, 31970), (9591, 27490), (13745, 19182), (15985, 16494)]