118478840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 272376000

約数和(自身を除く): 153897160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 149, 193, 206, 298, 386, 412, 515, 596, 745, 772, 824, 965, 1030, 1192, 1490, 1544, 1930, 2060, 2980, 3860, 4120, 5960, 7720, 15347, 19879, 28757, 30694, 39758, 57514, 61388, 76735, 79516, 99395, 115028, 122776, 143785, 153470, 159032, 198790, 230056, 287570, 306940, 397580, 575140, 613880, 795160, 1150280, 2961971, 5923942, 11847884, 14809855, 23695768, 29619710, 59239420, 118478840]

約数ペア:

[(1, 118478840), (2, 59239420), (4, 29619710), (5, 23695768), (8, 14809855), (10, 11847884), (20, 5923942), (40, 2961971), (103, 1150280), (149, 795160), (193, 613880), (206, 575140), (298, 397580), (386, 306940), (412, 287570), (515, 230056), (596, 198790), (745, 159032), (772, 153470), (824, 143785), (965, 122776), (1030, 115028), (1192, 99395), (1490, 79516), (1544, 76735), (1930, 61388), (2060, 57514), (2980, 39758), (3860, 30694), (4120, 28757), (5960, 19879), (7720, 15347)]