212387980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 539965440

約数和(自身を除く): 327577460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 284, 322, 355, 460, 497, 644, 710, 805, 929, 994, 1420, 1610, 1633, 1858, 1988, 2485, 3220, 3266, 3716, 4645, 4970, 6503, 6532, 8165, 9290, 9940, 11431, 13006, 16330, 18580, 21367, 22862, 26012, 32515, 32660, 42734, 45724, 57155, 65030, 65959, 85468, 106835, 114310, 130060, 131918, 149569, 213670, 228620, 263836, 299138, 329795, 427340, 461713, 598276, 659590, 747845, 923426, 1319180, 1495690, 1517057, 1846852, 2308565, 2991380, 3034114, 4617130, 6068228, 7585285, 9234260, 10619399, 15170570, 21238798, 30341140, 42477596, 53096995, 106193990, 212387980]

約数ペア:

[(1, 212387980), (2, 106193990), (4, 53096995), (5, 42477596), (7, 30341140), (10, 21238798), (14, 15170570), (20, 10619399), (23, 9234260), (28, 7585285), (35, 6068228), (46, 4617130), (70, 3034114), (71, 2991380), (92, 2308565), (115, 1846852), (140, 1517057), (142, 1495690), (161, 1319180), (230, 923426), (284, 747845), (322, 659590), (355, 598276), (460, 461713), (497, 427340), (644, 329795), (710, 299138), (805, 263836), (929, 228620), (994, 213670), (1420, 149569), (1610, 131918), (1633, 130060), (1858, 114310), (1988, 106835), (2485, 85468), (3220, 65959), (3266, 65030), (3716, 57155), (4645, 45724), (4970, 42734), (6503, 32660), (6532, 32515), (8165, 26012), (9290, 22862), (9940, 21367), (11431, 18580), (13006, 16330)]