397085360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1361}}^1$

素因数の和:1902

約数の個数: 80

約数和(自身を含む): 1057914432

約数和(自身を除く): 660829072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 1042, 1361, 2084, 2605, 2722, 3647, 4168, 5210, 5444, 6805, 7294, 8336, 9527, 10420, 10888, 13610, 14588, 18235, 19054, 20840, 21776, 27220, 29176, 36470, 38108, 41680, 47635, 54440, 58352, 72940, 76216, 95270, 108880, 145880, 152432, 190540, 291760, 381080, 709081, 762160, 1418162, 2836324, 3545405, 4963567, 5672648, 7090810, 9927134, 11345296, 14181620, 19854268, 24817835, 28363240, 39708536, 49635670, 56726480, 79417072, 99271340, 198542680, 397085360]

約数ペア:

[(1, 397085360), (2, 198542680), (4, 99271340), (5, 79417072), (7, 56726480), (8, 49635670), (10, 39708536), (14, 28363240), (16, 24817835), (20, 19854268), (28, 14181620), (35, 11345296), (40, 9927134), (56, 7090810), (70, 5672648), (80, 4963567), (112, 3545405), (140, 2836324), (280, 1418162), (521, 762160), (560, 709081), (1042, 381080), (1361, 291760), (2084, 190540), (2605, 152432), (2722, 145880), (3647, 108880), (4168, 95270), (5210, 76216), (5444, 72940), (6805, 58352), (7294, 54440), (8336, 47635), (9527, 41680), (10420, 38108), (10888, 36470), (13610, 29176), (14588, 27220), (18235, 21776), (19054, 20840)]