999528920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{31511}}^1$

素因数の和:31596

約数の個数: 64

約数和(自身を含む): 2461717440

約数和(自身を除く): 1462188520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7930, 15860, 31511, 31720, 63022, 126044, 157555, 252088, 315110, 409643, 630220, 819286, 1260440, 1638572, 1922171, 2048215, 3277144, 3844342, 4096430, 7688684, 8192860, 9610855, 15377368, 16385720, 19221710, 24988223, 38443420, 49976446, 76886840, 99952892, 124941115, 199905784, 249882230, 499764460, 999528920]

約数ペア:

[(1, 999528920), (2, 499764460), (4, 249882230), (5, 199905784), (8, 124941115), (10, 99952892), (13, 76886840), (20, 49976446), (26, 38443420), (40, 24988223), (52, 19221710), (61, 16385720), (65, 15377368), (104, 9610855), (122, 8192860), (130, 7688684), (244, 4096430), (260, 3844342), (305, 3277144), (488, 2048215), (520, 1922171), (610, 1638572), (793, 1260440), (1220, 819286), (1586, 630220), (2440, 409643), (3172, 315110), (3965, 252088), (6344, 157555), (7930, 126044), (15860, 63022), (31511, 31720)]