78839740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 201761280

約数和(自身を除く): 122921540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 107, 133, 140, 190, 214, 266, 277, 380, 428, 532, 535, 554, 665, 749, 1070, 1108, 1330, 1385, 1498, 1939, 2033, 2140, 2660, 2770, 2996, 3745, 3878, 4066, 5263, 5540, 7490, 7756, 8132, 9695, 10165, 10526, 14231, 14980, 19390, 20330, 21052, 26315, 28462, 29639, 36841, 38780, 40660, 52630, 56924, 59278, 71155, 73682, 105260, 118556, 142310, 147364, 148195, 184205, 207473, 284620, 296390, 368410, 414946, 563141, 592780, 736820, 829892, 1037365, 1126282, 2074730, 2252564, 2815705, 3941987, 4149460, 5631410, 7883974, 11262820, 15767948, 19709935, 39419870, 78839740]

約数ペア:

[(1, 78839740), (2, 39419870), (4, 19709935), (5, 15767948), (7, 11262820), (10, 7883974), (14, 5631410), (19, 4149460), (20, 3941987), (28, 2815705), (35, 2252564), (38, 2074730), (70, 1126282), (76, 1037365), (95, 829892), (107, 736820), (133, 592780), (140, 563141), (190, 414946), (214, 368410), (266, 296390), (277, 284620), (380, 207473), (428, 184205), (532, 148195), (535, 147364), (554, 142310), (665, 118556), (749, 105260), (1070, 73682), (1108, 71155), (1330, 59278), (1385, 56924), (1498, 52630), (1939, 40660), (2033, 38780), (2140, 36841), (2660, 29639), (2770, 28462), (2996, 26315), (3745, 21052), (3878, 20330), (4066, 19390), (5263, 14980), (5540, 14231), (7490, 10526), (7756, 10165), (8132, 9695)]