12745390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:114

約数の個数: 72

約数和(自身を含む): 28871640

約数和(自身を除く): 16126250

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 49, 70, 74, 95, 98, 133, 185, 190, 245, 259, 266, 370, 490, 518, 665, 703, 931, 1295, 1330, 1369, 1406, 1813, 1862, 2590, 2738, 3515, 3626, 4655, 4921, 6845, 7030, 9065, 9310, 9583, 9842, 13690, 18130, 19166, 24605, 26011, 34447, 47915, 49210, 52022, 67081, 68894, 95830, 130055, 134162, 172235, 182077, 260110, 335405, 344470, 364154, 670810, 910385, 1274539, 1820770, 2549078, 6372695, 12745390]

約数ペア:

[(1, 12745390), (2, 6372695), (5, 2549078), (7, 1820770), (10, 1274539), (14, 910385), (19, 670810), (35, 364154), (37, 344470), (38, 335405), (49, 260110), (70, 182077), (74, 172235), (95, 134162), (98, 130055), (133, 95830), (185, 68894), (190, 67081), (245, 52022), (259, 49210), (266, 47915), (370, 34447), (490, 26011), (518, 24605), (665, 19166), (703, 18130), (931, 13690), (1295, 9842), (1330, 9583), (1369, 9310), (1406, 9065), (1813, 7030), (1862, 6845), (2590, 4921), (2738, 4655), (3515, 3626)]