11238640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 31551552

約数和(自身を除く): 20312912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 61, 70, 80, 94, 98, 112, 122, 140, 188, 196, 235, 244, 245, 280, 305, 329, 376, 392, 427, 470, 488, 490, 560, 610, 658, 752, 784, 854, 940, 976, 980, 1220, 1316, 1645, 1708, 1880, 1960, 2135, 2303, 2440, 2632, 2867, 2989, 3290, 3416, 3760, 3920, 4270, 4606, 4880, 5264, 5734, 5978, 6580, 6832, 8540, 9212, 11468, 11515, 11956, 13160, 14335, 14945, 17080, 18424, 20069, 22936, 23030, 23912, 26320, 28670, 29890, 34160, 36848, 40138, 45872, 46060, 47824, 57340, 59780, 80276, 92120, 100345, 114680, 119560, 140483, 160552, 184240, 200690, 229360, 239120, 280966, 321104, 401380, 561932, 702415, 802760, 1123864, 1404830, 1605520, 2247728, 2809660, 5619320, 11238640]

約数ペア:

[(1, 11238640), (2, 5619320), (4, 2809660), (5, 2247728), (7, 1605520), (8, 1404830), (10, 1123864), (14, 802760), (16, 702415), (20, 561932), (28, 401380), (35, 321104), (40, 280966), (47, 239120), (49, 229360), (56, 200690), (61, 184240), (70, 160552), (80, 140483), (94, 119560), (98, 114680), (112, 100345), (122, 92120), (140, 80276), (188, 59780), (196, 57340), (235, 47824), (244, 46060), (245, 45872), (280, 40138), (305, 36848), (329, 34160), (376, 29890), (392, 28670), (427, 26320), (470, 23912), (488, 23030), (490, 22936), (560, 20069), (610, 18424), (658, 17080), (752, 14945), (784, 14335), (854, 13160), (940, 11956), (976, 11515), (980, 11468), (1220, 9212), (1316, 8540), (1645, 6832), (1708, 6580), (1880, 5978), (1960, 5734), (2135, 5264), (2303, 4880), (2440, 4606), (2632, 4270), (2867, 3920), (2989, 3760), (3290, 3416)]