1654660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 4064256

約数和(自身を除く): 2409596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 223, 265, 371, 446, 530, 742, 892, 1060, 1115, 1484, 1561, 1855, 2230, 3122, 3710, 4460, 6244, 7420, 7805, 11819, 15610, 23638, 31220, 47276, 59095, 82733, 118190, 165466, 236380, 330932, 413665, 827330, 1654660]

約数ペア:

[(1, 1654660), (2, 827330), (4, 413665), (5, 330932), (7, 236380), (10, 165466), (14, 118190), (20, 82733), (28, 59095), (35, 47276), (53, 31220), (70, 23638), (106, 15610), (140, 11819), (212, 7805), (223, 7420), (265, 6244), (371, 4460), (446, 3710), (530, 3122), (742, 2230), (892, 1855), (1060, 1561), (1115, 1484)]