55149640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 155232000

約数和(自身を除く): 100082360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 139, 140, 182, 218, 260, 278, 280, 364, 436, 455, 520, 545, 556, 695, 728, 763, 872, 910, 973, 1090, 1112, 1390, 1417, 1526, 1807, 1820, 1946, 2180, 2780, 2834, 3052, 3614, 3640, 3815, 3892, 4360, 4865, 5560, 5668, 6104, 7085, 7228, 7630, 7784, 9035, 9730, 9919, 11336, 12649, 14170, 14456, 15151, 15260, 18070, 19460, 19838, 25298, 28340, 30302, 30520, 36140, 38920, 39676, 49595, 50596, 56680, 60604, 63245, 72280, 75755, 79352, 99190, 101192, 106057, 121208, 126490, 151510, 196963, 198380, 212114, 252980, 303020, 393926, 396760, 424228, 505960, 530285, 606040, 787852, 848456, 984815, 1060570, 1378741, 1575704, 1969630, 2121140, 2757482, 3939260, 4242280, 5514964, 6893705, 7878520, 11029928, 13787410, 27574820, 55149640]

約数ペア:

[(1, 55149640), (2, 27574820), (4, 13787410), (5, 11029928), (7, 7878520), (8, 6893705), (10, 5514964), (13, 4242280), (14, 3939260), (20, 2757482), (26, 2121140), (28, 1969630), (35, 1575704), (40, 1378741), (52, 1060570), (56, 984815), (65, 848456), (70, 787852), (91, 606040), (104, 530285), (109, 505960), (130, 424228), (139, 396760), (140, 393926), (182, 303020), (218, 252980), (260, 212114), (278, 198380), (280, 196963), (364, 151510), (436, 126490), (455, 121208), (520, 106057), (545, 101192), (556, 99190), (695, 79352), (728, 75755), (763, 72280), (872, 63245), (910, 60604), (973, 56680), (1090, 50596), (1112, 49595), (1390, 39676), (1417, 38920), (1526, 36140), (1807, 30520), (1820, 30302), (1946, 28340), (2180, 25298), (2780, 19838), (2834, 19460), (3052, 18070), (3614, 15260), (3640, 15151), (3815, 14456), (3892, 14170), (4360, 12649), (4865, 11336), (5560, 9919), (5668, 9730), (6104, 9035), (7085, 7784), (7228, 7630)]