1999678030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1913}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 4183850880

約数和(自身を除く): 2184172850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 137, 218, 274, 545, 685, 763, 959, 1090, 1370, 1526, 1913, 1918, 3815, 3826, 4795, 7630, 9565, 9590, 13391, 14933, 19130, 26782, 29866, 66955, 74665, 104531, 133910, 149330, 208517, 209062, 262081, 417034, 522655, 524162, 1042585, 1045310, 1310405, 1459619, 1834567, 2085170, 2620810, 2919238, 3669134, 7298095, 9172835, 14596190, 18345670, 28566829, 57133658, 142834145, 199967803, 285668290, 399935606, 999839015, 1999678030]

約数ペア:

[(1, 1999678030), (2, 999839015), (5, 399935606), (7, 285668290), (10, 199967803), (14, 142834145), (35, 57133658), (70, 28566829), (109, 18345670), (137, 14596190), (218, 9172835), (274, 7298095), (545, 3669134), (685, 2919238), (763, 2620810), (959, 2085170), (1090, 1834567), (1370, 1459619), (1526, 1310405), (1913, 1045310), (1918, 1042585), (3815, 524162), (3826, 522655), (4795, 417034), (7630, 262081), (9565, 209062), (9590, 208517), (13391, 149330), (14933, 133910), (19130, 104531), (26782, 74665), (29866, 66955)]