788998420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{22453}}^1$

素因数の和:22720

約数の個数: 48

約数和(自身を含む): 1901225088

約数和(自身を除く): 1112226668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 17570, 22453, 35140, 44906, 89812, 112265, 157171, 224530, 314342, 449060, 628684, 785855, 1571710, 3143420, 5635703, 11271406, 22542812, 28178515, 39449921, 56357030, 78899842, 112714060, 157799684, 197249605, 394499210, 788998420]

約数ペア:

[(1, 788998420), (2, 394499210), (4, 197249605), (5, 157799684), (7, 112714060), (10, 78899842), (14, 56357030), (20, 39449921), (28, 28178515), (35, 22542812), (70, 11271406), (140, 5635703), (251, 3143420), (502, 1571710), (1004, 785855), (1255, 628684), (1757, 449060), (2510, 314342), (3514, 224530), (5020, 157171), (7028, 112265), (8785, 89812), (17570, 44906), (22453, 35140)]