881264440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{4649}}^1$

素因数の和:5344

約数の個数: 64

約数和(自身を含む): 2269944000

約数和(自身を除く): 1388679560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 677, 1354, 2708, 3385, 4649, 4739, 5416, 6770, 9298, 9478, 13540, 18596, 18956, 23245, 23695, 27080, 32543, 37192, 37912, 46490, 47390, 65086, 92980, 94780, 130172, 162715, 185960, 189560, 260344, 325430, 650860, 1301720, 3147373, 6294746, 12589492, 15736865, 22031611, 25178984, 31473730, 44063222, 62947460, 88126444, 110158055, 125894920, 176252888, 220316110, 440632220, 881264440]

約数ペア:

[(1, 881264440), (2, 440632220), (4, 220316110), (5, 176252888), (7, 125894920), (8, 110158055), (10, 88126444), (14, 62947460), (20, 44063222), (28, 31473730), (35, 25178984), (40, 22031611), (56, 15736865), (70, 12589492), (140, 6294746), (280, 3147373), (677, 1301720), (1354, 650860), (2708, 325430), (3385, 260344), (4649, 189560), (4739, 185960), (5416, 162715), (6770, 130172), (9298, 94780), (9478, 92980), (13540, 65086), (18596, 47390), (18956, 46490), (23245, 37912), (23695, 37192), (27080, 32543)]