712890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^2$

素因数の和:191

約数の個数: 36

約数和(自身を含む): 1874574

約数和(自身を除く): 1161684

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 7921, 8010, 15842, 23763, 39605, 47526, 71289, 79210, 118815, 142578, 237630, 356445, 712890]

約数ペア:

[(1, 712890), (2, 356445), (3, 237630), (5, 142578), (6, 118815), (9, 79210), (10, 71289), (15, 47526), (18, 39605), (30, 23763), (45, 15842), (89, 8010), (90, 7921), (178, 4005), (267, 2670), (445, 1602), (534, 1335), (801, 890)]