31013620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 72245376

約数和(自身を除く): 41231756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2311, 2684, 3355, 4622, 6710, 9244, 11555, 13420, 23110, 25421, 46220, 50842, 101684, 127105, 140971, 254210, 281942, 508420, 563884, 704855, 1409710, 1550681, 2819420, 3101362, 6202724, 7753405, 15506810, 31013620]

約数ペア:

[(1, 31013620), (2, 15506810), (4, 7753405), (5, 6202724), (10, 3101362), (11, 2819420), (20, 1550681), (22, 1409710), (44, 704855), (55, 563884), (61, 508420), (110, 281942), (122, 254210), (220, 140971), (244, 127105), (305, 101684), (610, 50842), (671, 46220), (1220, 25421), (1342, 23110), (2311, 13420), (2684, 11555), (3355, 9244), (4622, 6710)]