1438995740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{112951}}^1$

素因数の和:112987

約数の個数: 72

約数和(自身を含む): 3785699232

約数和(自身を除く): 2346703492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 112951, 225902, 451804, 564755, 790657, 1129510, 1468363, 1581314, 2259020, 2936726, 3162628, 3953285, 5534599, 5873452, 7341815, 7906570, 10278541, 11069198, 14683630, 15813140, 20557082, 22138396, 27672995, 29367260, 41114164, 51392705, 55345990, 71949787, 102785410, 110691980, 143899574, 205570820, 287799148, 359748935, 719497870, 1438995740]

約数ペア:

[(1, 1438995740), (2, 719497870), (4, 359748935), (5, 287799148), (7, 205570820), (10, 143899574), (13, 110691980), (14, 102785410), (20, 71949787), (26, 55345990), (28, 51392705), (35, 41114164), (49, 29367260), (52, 27672995), (65, 22138396), (70, 20557082), (91, 15813140), (98, 14683630), (130, 11069198), (140, 10278541), (182, 7906570), (196, 7341815), (245, 5873452), (260, 5534599), (364, 3953285), (455, 3162628), (490, 2936726), (637, 2259020), (910, 1581314), (980, 1468363), (1274, 1129510), (1820, 790657), (2548, 564755), (3185, 451804), (6370, 225902), (12740, 112951)]