28972020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6271}}^1$

素因数の和:6301

約数の個数: 96

約数和(自身を含む): 101154816

約数和(自身を除く): 72182796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 6271, 12542, 18813, 25084, 31355, 37626, 43897, 62710, 68981, 75252, 87794, 94065, 125420, 131691, 137962, 175588, 188130, 206943, 219485, 263382, 275924, 344905, 376260, 413886, 438970, 482867, 526764, 658455, 689810, 827772, 877940, 965734, 1034715, 1316910, 1379620, 1448601, 1931468, 2069430, 2414335, 2633820, 2897202, 4138860, 4828670, 5794404, 7243005, 9657340, 14486010, 28972020]

約数ペア:

[(1, 28972020), (2, 14486010), (3, 9657340), (4, 7243005), (5, 5794404), (6, 4828670), (7, 4138860), (10, 2897202), (11, 2633820), (12, 2414335), (14, 2069430), (15, 1931468), (20, 1448601), (21, 1379620), (22, 1316910), (28, 1034715), (30, 965734), (33, 877940), (35, 827772), (42, 689810), (44, 658455), (55, 526764), (60, 482867), (66, 438970), (70, 413886), (77, 376260), (84, 344905), (105, 275924), (110, 263382), (132, 219485), (140, 206943), (154, 188130), (165, 175588), (210, 137962), (220, 131691), (231, 125420), (308, 94065), (330, 87794), (385, 75252), (420, 68981), (462, 62710), (660, 43897), (770, 37626), (924, 31355), (1155, 25084), (1540, 18813), (2310, 12542), (4620, 6271)]