641830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 1353024

約数和(自身を除く): 711194

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 173, 265, 346, 371, 530, 742, 865, 1211, 1730, 1855, 2422, 3710, 6055, 9169, 12110, 18338, 45845, 64183, 91690, 128366, 320915, 641830]

約数ペア:

[(1, 641830), (2, 320915), (5, 128366), (7, 91690), (10, 64183), (14, 45845), (35, 18338), (53, 12110), (70, 9169), (106, 6055), (173, 3710), (265, 2422), (346, 1855), (371, 1730), (530, 1211), (742, 865)]