129243890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 256919040

約数和(自身を除く): 127675150

約数列:

[1, 2, 5, 10, 19, 38, 41, 47, 82, 94, 95, 190, 205, 235, 353, 410, 470, 706, 779, 893, 1558, 1765, 1786, 1927, 3530, 3854, 3895, 4465, 6707, 7790, 8930, 9635, 13414, 14473, 16591, 19270, 28946, 33182, 33535, 36613, 67070, 72365, 73226, 82955, 144730, 165910, 183065, 274987, 315229, 366130, 549974, 630458, 680231, 1360462, 1374935, 1576145, 2749870, 3152290, 3401155, 6802310, 12924389, 25848778, 64621945, 129243890]

約数ペア:

[(1, 129243890), (2, 64621945), (5, 25848778), (10, 12924389), (19, 6802310), (38, 3401155), (41, 3152290), (47, 2749870), (82, 1576145), (94, 1374935), (95, 1360462), (190, 680231), (205, 630458), (235, 549974), (353, 366130), (410, 315229), (470, 274987), (706, 183065), (779, 165910), (893, 144730), (1558, 82955), (1765, 73226), (1786, 72365), (1927, 67070), (3530, 36613), (3854, 33535), (3895, 33182), (4465, 28946), (6707, 19270), (7790, 16591), (8930, 14473), (9635, 13414)]