681979870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 1503774720

約数和(自身を除く): 821794850

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 47, 55, 65, 73, 94, 110, 130, 139, 143, 146, 235, 278, 286, 365, 470, 517, 611, 695, 715, 730, 803, 949, 1034, 1222, 1390, 1430, 1529, 1606, 1807, 1898, 2585, 3055, 3058, 3431, 3614, 4015, 4745, 5170, 6110, 6533, 6721, 6862, 7645, 8030, 9035, 9490, 10147, 10439, 13066, 13442, 15290, 17155, 18070, 19877, 20294, 20878, 32665, 33605, 34310, 37741, 39754, 44603, 50735, 52195, 65330, 67210, 71863, 75482, 84929, 89206, 99385, 101470, 104390, 111617, 131911, 143726, 169858, 188705, 198770, 223015, 223234, 263822, 359315, 377410, 424645, 446030, 476909, 490633, 558085, 659555, 718630, 849290, 934219, 953818, 981266, 1116170, 1319110, 1451021, 1868438, 2384545, 2453165, 2902042, 4671095, 4769090, 4906330, 5245999, 6199817, 7255105, 9342190, 10491998, 12399634, 14510210, 26229995, 30999085, 52459990, 61998170, 68197987, 136395974, 340989935, 681979870]

約数ペア:

[(1, 681979870), (2, 340989935), (5, 136395974), (10, 68197987), (11, 61998170), (13, 52459990), (22, 30999085), (26, 26229995), (47, 14510210), (55, 12399634), (65, 10491998), (73, 9342190), (94, 7255105), (110, 6199817), (130, 5245999), (139, 4906330), (143, 4769090), (146, 4671095), (235, 2902042), (278, 2453165), (286, 2384545), (365, 1868438), (470, 1451021), (517, 1319110), (611, 1116170), (695, 981266), (715, 953818), (730, 934219), (803, 849290), (949, 718630), (1034, 659555), (1222, 558085), (1390, 490633), (1430, 476909), (1529, 446030), (1606, 424645), (1807, 377410), (1898, 359315), (2585, 263822), (3055, 223234), (3058, 223015), (3431, 198770), (3614, 188705), (4015, 169858), (4745, 143726), (5170, 131911), (6110, 111617), (6533, 104390), (6721, 101470), (6862, 99385), (7645, 89206), (8030, 84929), (9035, 75482), (9490, 71863), (10147, 67210), (10439, 65330), (13066, 52195), (13442, 50735), (15290, 44603), (17155, 39754), (18070, 37741), (19877, 34310), (20294, 33605), (20878, 32665)]