259545850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2095

約数の個数: 48

約数和(自身を含む): 502333920

約数和(自身を除く): 242788070

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 215, 305, 430, 610, 1075, 1525, 1979, 2150, 2623, 3050, 3958, 5246, 9895, 13115, 19790, 26230, 49475, 65575, 85097, 98950, 120719, 131150, 170194, 241438, 425485, 603595, 850970, 1207190, 2127425, 3017975, 4254850, 5190917, 6035950, 10381834, 25954585, 51909170, 129772925, 259545850]

約数ペア:

[(1, 259545850), (2, 129772925), (5, 51909170), (10, 25954585), (25, 10381834), (43, 6035950), (50, 5190917), (61, 4254850), (86, 3017975), (122, 2127425), (215, 1207190), (305, 850970), (430, 603595), (610, 425485), (1075, 241438), (1525, 170194), (1979, 131150), (2150, 120719), (2623, 98950), (3050, 85097), (3958, 65575), (5246, 49475), (9895, 26230), (13115, 19790)]