222810640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6911}}^1$

素因数の和:6968

約数の個数: 80

約数和(自身を含む): 575963136

約数和(自身を除く): 353152496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6911, 8060, 13822, 16120, 27644, 32240, 34555, 55288, 69110, 89843, 110576, 138220, 179686, 214241, 276440, 359372, 428482, 449215, 552880, 718744, 856964, 898430, 1071205, 1437488, 1713928, 1796860, 2142410, 2785133, 3427856, 3593720, 4284820, 5570266, 7187440, 8569640, 11140532, 13925665, 17139280, 22281064, 27851330, 44562128, 55702660, 111405320, 222810640]

約数ペア:

[(1, 222810640), (2, 111405320), (4, 55702660), (5, 44562128), (8, 27851330), (10, 22281064), (13, 17139280), (16, 13925665), (20, 11140532), (26, 8569640), (31, 7187440), (40, 5570266), (52, 4284820), (62, 3593720), (65, 3427856), (80, 2785133), (104, 2142410), (124, 1796860), (130, 1713928), (155, 1437488), (208, 1071205), (248, 898430), (260, 856964), (310, 718744), (403, 552880), (496, 449215), (520, 428482), (620, 359372), (806, 276440), (1040, 214241), (1240, 179686), (1612, 138220), (2015, 110576), (2480, 89843), (3224, 69110), (4030, 55288), (6448, 34555), (6911, 32240), (8060, 27644), (13822, 16120)]