79397780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 216289920

約数和(自身を除く): 136892140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 109, 110, 121, 140, 154, 172, 215, 218, 220, 242, 301, 308, 385, 430, 436, 473, 484, 545, 602, 605, 763, 770, 847, 860, 946, 1090, 1199, 1204, 1210, 1505, 1526, 1540, 1694, 1892, 2180, 2365, 2398, 2420, 3010, 3052, 3311, 3388, 3815, 4235, 4687, 4730, 4796, 5203, 5995, 6020, 6622, 7630, 8393, 8470, 9374, 9460, 10406, 11990, 13189, 13244, 15260, 16555, 16786, 16940, 18748, 20812, 23435, 23980, 26015, 26378, 32809, 33110, 33572, 36421, 41965, 46870, 51557, 52030, 52756, 65618, 65945, 66220, 72842, 83930, 92323, 93740, 103114, 104060, 131236, 131890, 145684, 164045, 167860, 182105, 184646, 206228, 257785, 263780, 328090, 360899, 364210, 369292, 461615, 515570, 567127, 656180, 721798, 728420, 923230, 1031140, 1134254, 1443596, 1804495, 1846460, 2268508, 2835635, 3608990, 3969889, 5671270, 7217980, 7939778, 11342540, 15879556, 19849445, 39698890, 79397780]

約数ペア:

[(1, 79397780), (2, 39698890), (4, 19849445), (5, 15879556), (7, 11342540), (10, 7939778), (11, 7217980), (14, 5671270), (20, 3969889), (22, 3608990), (28, 2835635), (35, 2268508), (43, 1846460), (44, 1804495), (55, 1443596), (70, 1134254), (77, 1031140), (86, 923230), (109, 728420), (110, 721798), (121, 656180), (140, 567127), (154, 515570), (172, 461615), (215, 369292), (218, 364210), (220, 360899), (242, 328090), (301, 263780), (308, 257785), (385, 206228), (430, 184646), (436, 182105), (473, 167860), (484, 164045), (545, 145684), (602, 131890), (605, 131236), (763, 104060), (770, 103114), (847, 93740), (860, 92323), (946, 83930), (1090, 72842), (1199, 66220), (1204, 65945), (1210, 65618), (1505, 52756), (1526, 52030), (1540, 51557), (1694, 46870), (1892, 41965), (2180, 36421), (2365, 33572), (2398, 33110), (2420, 32809), (3010, 26378), (3052, 26015), (3311, 23980), (3388, 23435), (3815, 20812), (4235, 18748), (4687, 16940), (4730, 16786), (4796, 16555), (5203, 15260), (5995, 13244), (6020, 13189), (6622, 11990), (7630, 10406), (8393, 9460), (8470, 9374)]