389488290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{156421}}^1$

素因数の和:156514

約数の個数: 32

約数和(自身を含む): 946040256

約数和(自身を除く): 556551966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 156421, 312842, 469263, 782105, 938526, 1564210, 2346315, 4692630, 12982943, 25965886, 38948829, 64914715, 77897658, 129829430, 194744145, 389488290]

約数ペア:

[(1, 389488290), (2, 194744145), (3, 129829430), (5, 77897658), (6, 64914715), (10, 38948829), (15, 25965886), (30, 12982943), (83, 4692630), (166, 2346315), (249, 1564210), (415, 938526), (498, 782105), (830, 469263), (1245, 312842), (2490, 156421)]