142780820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4177

約数の個数: 96

約数和(自身を含む): 388550400

約数和(自身を除く): 245769580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4129, 4940, 6916, 8258, 8645, 16516, 17290, 20645, 28903, 34580, 41290, 53677, 57806, 78451, 82580, 107354, 115612, 144515, 156902, 214708, 268385, 289030, 313804, 375739, 392255, 536770, 549157, 578060, 751478, 784510, 1019863, 1073540, 1098314, 1502956, 1569020, 1878695, 2039726, 2196628, 2745785, 3757390, 4079452, 5099315, 5491570, 7139041, 7514780, 10198630, 10983140, 14278082, 20397260, 28556164, 35695205, 71390410, 142780820]

約数ペア:

[(1, 142780820), (2, 71390410), (4, 35695205), (5, 28556164), (7, 20397260), (10, 14278082), (13, 10983140), (14, 10198630), (19, 7514780), (20, 7139041), (26, 5491570), (28, 5099315), (35, 4079452), (38, 3757390), (52, 2745785), (65, 2196628), (70, 2039726), (76, 1878695), (91, 1569020), (95, 1502956), (130, 1098314), (133, 1073540), (140, 1019863), (182, 784510), (190, 751478), (247, 578060), (260, 549157), (266, 536770), (364, 392255), (380, 375739), (455, 313804), (494, 289030), (532, 268385), (665, 214708), (910, 156902), (988, 144515), (1235, 115612), (1330, 107354), (1729, 82580), (1820, 78451), (2470, 57806), (2660, 53677), (3458, 41290), (4129, 34580), (4940, 28903), (6916, 20645), (8258, 17290), (8645, 16516)]