809906860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{340297}}^1$

素因数の和:340330

約数の個数: 48

約数和(自身を含む): 2058122304

約数和(自身を除く): 1248215444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 340297, 680594, 1361188, 1701485, 2382079, 3402970, 4764158, 5785049, 6805940, 9528316, 11570098, 11910395, 23140196, 23820790, 28925245, 40495343, 47641580, 57850490, 80990686, 115700980, 161981372, 202476715, 404953430, 809906860]

約数ペア:

[(1, 809906860), (2, 404953430), (4, 202476715), (5, 161981372), (7, 115700980), (10, 80990686), (14, 57850490), (17, 47641580), (20, 40495343), (28, 28925245), (34, 23820790), (35, 23140196), (68, 11910395), (70, 11570098), (85, 9528316), (119, 6805940), (140, 5785049), (170, 4764158), (238, 3402970), (340, 2382079), (476, 1701485), (595, 1361188), (1190, 680594), (2380, 340297)]