228765890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{2311}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 434471040

約数和(自身を除く): 205705150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 521, 1042, 2311, 2605, 4622, 5210, 9899, 11555, 19798, 23110, 43909, 49495, 87818, 98990, 219545, 439090, 1204031, 2408062, 6020155, 12040310, 22876589, 45753178, 114382945, 228765890]

約数ペア:

[(1, 228765890), (2, 114382945), (5, 45753178), (10, 22876589), (19, 12040310), (38, 6020155), (95, 2408062), (190, 1204031), (521, 439090), (1042, 219545), (2311, 98990), (2605, 87818), (4622, 49495), (5210, 43909), (9899, 23110), (11555, 19798)]