419902020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 1326976560

約数和(自身を除く): 907074540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 257, 261, 290, 313, 348, 435, 514, 522, 580, 626, 771, 870, 939, 1028, 1044, 1252, 1285, 1305, 1542, 1565, 1740, 1878, 2313, 2570, 2610, 2817, 3084, 3130, 3756, 3855, 4626, 4695, 5140, 5220, 5634, 6260, 7453, 7710, 9077, 9252, 9390, 11268, 11565, 14085, 14906, 15420, 18154, 18780, 22359, 23130, 27231, 28170, 29812, 36308, 37265, 44718, 45385, 46260, 54462, 56340, 67077, 74530, 80441, 81693, 89436, 90770, 108924, 111795, 134154, 136155, 149060, 160882, 163386, 181540, 223590, 241323, 268308, 272310, 321764, 326772, 335385, 402205, 408465, 447180, 482646, 544620, 670770, 723969, 804410, 816930, 965292, 1206615, 1341540, 1447938, 1608820, 1633860, 2332789, 2413230, 2895876, 3619845, 4665578, 4826460, 6998367, 7239690, 9331156, 11663945, 13996734, 14479380, 20995101, 23327890, 27993468, 34991835, 41990202, 46655780, 69983670, 83980404, 104975505, 139967340, 209951010, 419902020]

約数ペア:

[(1, 419902020), (2, 209951010), (3, 139967340), (4, 104975505), (5, 83980404), (6, 69983670), (9, 46655780), (10, 41990202), (12, 34991835), (15, 27993468), (18, 23327890), (20, 20995101), (29, 14479380), (30, 13996734), (36, 11663945), (45, 9331156), (58, 7239690), (60, 6998367), (87, 4826460), (90, 4665578), (116, 3619845), (145, 2895876), (174, 2413230), (180, 2332789), (257, 1633860), (261, 1608820), (290, 1447938), (313, 1341540), (348, 1206615), (435, 965292), (514, 816930), (522, 804410), (580, 723969), (626, 670770), (771, 544620), (870, 482646), (939, 447180), (1028, 408465), (1044, 402205), (1252, 335385), (1285, 326772), (1305, 321764), (1542, 272310), (1565, 268308), (1740, 241323), (1878, 223590), (2313, 181540), (2570, 163386), (2610, 160882), (2817, 149060), (3084, 136155), (3130, 134154), (3756, 111795), (3855, 108924), (4626, 90770), (4695, 89436), (5140, 81693), (5220, 80441), (5634, 74530), (6260, 67077), (7453, 56340), (7710, 54462), (9077, 46260), (9252, 45385), (9390, 44718), (11268, 37265), (11565, 36308), (14085, 29812), (14906, 28170), (15420, 27231), (18154, 23130), (18780, 22359)]