280821640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3413}}^1$

素因数の和:3463

約数の個数: 96

約数和(自身を含む): 735580440

約数和(自身を除く): 454758800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 968, 1210, 1496, 1870, 2057, 2420, 3413, 3740, 4114, 4840, 6826, 7480, 8228, 10285, 13652, 16456, 17065, 20570, 27304, 34130, 37543, 41140, 58021, 68260, 75086, 82280, 116042, 136520, 150172, 187715, 232084, 290105, 300344, 375430, 412973, 464168, 580210, 638231, 750860, 825946, 1160420, 1276462, 1501720, 1651892, 2064865, 2320840, 2552924, 3191155, 3303784, 4129730, 5105848, 6382310, 7020541, 8259460, 12764620, 14041082, 16518920, 25529240, 28082164, 35102705, 56164328, 70205410, 140410820, 280821640]

約数ペア:

[(1, 280821640), (2, 140410820), (4, 70205410), (5, 56164328), (8, 35102705), (10, 28082164), (11, 25529240), (17, 16518920), (20, 14041082), (22, 12764620), (34, 8259460), (40, 7020541), (44, 6382310), (55, 5105848), (68, 4129730), (85, 3303784), (88, 3191155), (110, 2552924), (121, 2320840), (136, 2064865), (170, 1651892), (187, 1501720), (220, 1276462), (242, 1160420), (340, 825946), (374, 750860), (440, 638231), (484, 580210), (605, 464168), (680, 412973), (748, 375430), (935, 300344), (968, 290105), (1210, 232084), (1496, 187715), (1870, 150172), (2057, 136520), (2420, 116042), (3413, 82280), (3740, 75086), (4114, 68260), (4840, 58021), (6826, 41140), (7480, 37543), (8228, 34130), (10285, 27304), (13652, 20570), (16456, 17065)]