31298540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 52526740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 580, 593, 754, 812, 910, 1015, 1186, 1508, 1820, 1885, 2030, 2372, 2639, 2965, 3770, 4060, 4151, 5278, 5930, 7540, 7709, 8302, 10556, 11860, 13195, 15418, 16604, 17197, 20755, 26390, 30836, 34394, 38545, 41510, 52780, 53963, 68788, 77090, 83020, 85985, 107926, 120379, 154180, 171970, 215852, 223561, 240758, 269815, 343940, 447122, 481516, 539630, 601895, 894244, 1079260, 1117805, 1203790, 1564927, 2235610, 2407580, 3129854, 4471220, 6259708, 7824635, 15649270, 31298540]

約数ペア:

[(1, 31298540), (2, 15649270), (4, 7824635), (5, 6259708), (7, 4471220), (10, 3129854), (13, 2407580), (14, 2235610), (20, 1564927), (26, 1203790), (28, 1117805), (29, 1079260), (35, 894244), (52, 601895), (58, 539630), (65, 481516), (70, 447122), (91, 343940), (116, 269815), (130, 240758), (140, 223561), (145, 215852), (182, 171970), (203, 154180), (260, 120379), (290, 107926), (364, 85985), (377, 83020), (406, 77090), (455, 68788), (580, 53963), (593, 52780), (754, 41510), (812, 38545), (910, 34394), (1015, 30836), (1186, 26390), (1508, 20755), (1820, 17197), (1885, 16604), (2030, 15418), (2372, 13195), (2639, 11860), (2965, 10556), (3770, 8302), (4060, 7709), (4151, 7540), (5278, 5930)]