79711940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 210567168

約数和(自身を除く): 130855228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 191, 220, 271, 308, 382, 385, 542, 764, 770, 955, 1084, 1337, 1355, 1540, 1897, 1910, 2101, 2674, 2710, 2981, 3794, 3820, 4202, 5348, 5420, 5962, 6685, 7588, 8404, 9485, 10505, 11924, 13370, 14707, 14905, 18970, 20867, 21010, 26740, 29414, 29810, 37940, 41734, 42020, 51761, 58828, 59620, 73535, 83468, 103522, 104335, 147070, 207044, 208670, 258805, 294140, 362327, 417340, 517610, 569371, 724654, 1035220, 1138742, 1449308, 1811635, 2277484, 2846855, 3623270, 3985597, 5693710, 7246540, 7971194, 11387420, 15942388, 19927985, 39855970, 79711940]

約数ペア:

[(1, 79711940), (2, 39855970), (4, 19927985), (5, 15942388), (7, 11387420), (10, 7971194), (11, 7246540), (14, 5693710), (20, 3985597), (22, 3623270), (28, 2846855), (35, 2277484), (44, 1811635), (55, 1449308), (70, 1138742), (77, 1035220), (110, 724654), (140, 569371), (154, 517610), (191, 417340), (220, 362327), (271, 294140), (308, 258805), (382, 208670), (385, 207044), (542, 147070), (764, 104335), (770, 103522), (955, 83468), (1084, 73535), (1337, 59620), (1355, 58828), (1540, 51761), (1897, 42020), (1910, 41734), (2101, 37940), (2674, 29810), (2710, 29414), (2981, 26740), (3794, 21010), (3820, 20867), (4202, 18970), (5348, 14905), (5420, 14707), (5962, 13370), (6685, 11924), (7588, 10505), (8404, 9485)]