7260220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 16936416

約数和(自身を除く): 9676196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 541, 610, 671, 1082, 1220, 1342, 2164, 2684, 2705, 3355, 5410, 5951, 6710, 10820, 11902, 13420, 23804, 29755, 33001, 59510, 66002, 119020, 132004, 165005, 330010, 363011, 660020, 726022, 1452044, 1815055, 3630110, 7260220]

約数ペア:

[(1, 7260220), (2, 3630110), (4, 1815055), (5, 1452044), (10, 726022), (11, 660020), (20, 363011), (22, 330010), (44, 165005), (55, 132004), (61, 119020), (110, 66002), (122, 59510), (220, 33001), (244, 29755), (305, 23804), (541, 13420), (610, 11902), (671, 10820), (1082, 6710), (1220, 5951), (1342, 5410), (2164, 3355), (2684, 2705)]