280606250

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 590587200

約数和(自身を除く): 309980950

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 139, 170, 190, 250, 278, 323, 425, 475, 625, 646, 695, 850, 950, 1250, 1390, 1615, 2125, 2363, 2375, 2641, 3125, 3230, 3475, 4250, 4726, 4750, 5282, 6250, 6950, 8075, 10625, 11815, 11875, 13205, 16150, 17375, 21250, 23630, 23750, 26410, 34750, 40375, 44897, 53125, 59075, 59375, 66025, 80750, 86875, 89794, 106250, 118150, 118750, 132050, 173750, 201875, 224485, 295375, 330125, 403750, 434375, 448970, 590750, 660250, 868750, 1009375, 1122425, 1476875, 1650625, 2018750, 2244850, 2953750, 3301250, 5612125, 7384375, 8253125, 11224250, 14768750, 16506250, 28060625, 56121250, 140303125, 280606250]

約数ペア:

[(1, 280606250), (2, 140303125), (5, 56121250), (10, 28060625), (17, 16506250), (19, 14768750), (25, 11224250), (34, 8253125), (38, 7384375), (50, 5612125), (85, 3301250), (95, 2953750), (125, 2244850), (139, 2018750), (170, 1650625), (190, 1476875), (250, 1122425), (278, 1009375), (323, 868750), (425, 660250), (475, 590750), (625, 448970), (646, 434375), (695, 403750), (850, 330125), (950, 295375), (1250, 224485), (1390, 201875), (1615, 173750), (2125, 132050), (2363, 118750), (2375, 118150), (2641, 106250), (3125, 89794), (3230, 86875), (3475, 80750), (4250, 66025), (4726, 59375), (4750, 59075), (5282, 53125), (6250, 44897), (6950, 40375), (8075, 34750), (10625, 26410), (11815, 23750), (11875, 23630), (13205, 21250), (16150, 17375)]