221414340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 728082432

約数和(自身を除く): 506668092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 588, 593, 635, 735, 762, 889, 980, 1186, 1270, 1470, 1524, 1778, 1779, 1905, 2372, 2540, 2667, 2940, 2965, 3556, 3558, 3810, 4151, 4445, 5334, 5930, 6223, 7116, 7620, 8302, 8890, 8895, 10668, 11860, 12446, 12453, 13335, 16604, 17780, 17790, 18669, 20755, 24892, 24906, 26670, 29057, 31115, 35580, 37338, 41510, 49812, 53340, 58114, 62230, 62265, 74676, 75311, 83020, 87171, 93345, 116228, 124460, 124530, 145285, 150622, 174342, 186690, 225933, 249060, 290570, 301244, 348684, 373380, 376555, 435855, 451866, 527177, 581140, 753110, 871710, 903732, 1054354, 1129665, 1506220, 1581531, 1743420, 2108708, 2259330, 2635885, 3163062, 3690239, 4518660, 5271770, 6326124, 7380478, 7907655, 10543540, 11070717, 14760956, 15815310, 18451195, 22141434, 31630620, 36902390, 44282868, 55353585, 73804780, 110707170, 221414340]

約数ペア:

[(1, 221414340), (2, 110707170), (3, 73804780), (4, 55353585), (5, 44282868), (6, 36902390), (7, 31630620), (10, 22141434), (12, 18451195), (14, 15815310), (15, 14760956), (20, 11070717), (21, 10543540), (28, 7907655), (30, 7380478), (35, 6326124), (42, 5271770), (49, 4518660), (60, 3690239), (70, 3163062), (84, 2635885), (98, 2259330), (105, 2108708), (127, 1743420), (140, 1581531), (147, 1506220), (196, 1129665), (210, 1054354), (245, 903732), (254, 871710), (294, 753110), (381, 581140), (420, 527177), (490, 451866), (508, 435855), (588, 376555), (593, 373380), (635, 348684), (735, 301244), (762, 290570), (889, 249060), (980, 225933), (1186, 186690), (1270, 174342), (1470, 150622), (1524, 145285), (1778, 124530), (1779, 124460), (1905, 116228), (2372, 93345), (2540, 87171), (2667, 83020), (2940, 75311), (2965, 74676), (3556, 62265), (3558, 62230), (3810, 58114), (4151, 53340), (4445, 49812), (5334, 41510), (5930, 37338), (6223, 35580), (7116, 31115), (7620, 29057), (8302, 26670), (8890, 24906), (8895, 24892), (10668, 20755), (11860, 18669), (12446, 17790), (12453, 17780), (13335, 16604)]