442172920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2887}}^1$

素因数の和:3452

約数の個数: 64

約数和(自身を含む): 1139489280

約数和(自身を除く): 697316360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 547, 1094, 2188, 2735, 2887, 3829, 4376, 5470, 5774, 7658, 10940, 11548, 14435, 15316, 19145, 20209, 21880, 23096, 28870, 30632, 38290, 40418, 57740, 76580, 80836, 101045, 115480, 153160, 161672, 202090, 404180, 808360, 1579189, 3158378, 6316756, 7895945, 11054323, 12633512, 15791890, 22108646, 31583780, 44217292, 55271615, 63167560, 88434584, 110543230, 221086460, 442172920]

約数ペア:

[(1, 442172920), (2, 221086460), (4, 110543230), (5, 88434584), (7, 63167560), (8, 55271615), (10, 44217292), (14, 31583780), (20, 22108646), (28, 15791890), (35, 12633512), (40, 11054323), (56, 7895945), (70, 6316756), (140, 3158378), (280, 1579189), (547, 808360), (1094, 404180), (2188, 202090), (2735, 161672), (2887, 153160), (3829, 115480), (4376, 101045), (5470, 80836), (5774, 76580), (7658, 57740), (10940, 40418), (11548, 38290), (14435, 30632), (15316, 28870), (19145, 23096), (20209, 21880)]