308102620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{12721}}^1$

素因数の和:12910

約数の個数: 48

約数和(自身を含む): 743779008

約数和(自身を除く): 435676388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 12110, 12721, 24220, 25442, 50884, 63605, 89047, 127210, 178094, 254420, 356188, 445235, 890470, 1780940, 2200733, 4401466, 8802932, 11003665, 15405131, 22007330, 30810262, 44014660, 61620524, 77025655, 154051310, 308102620]

約数ペア:

[(1, 308102620), (2, 154051310), (4, 77025655), (5, 61620524), (7, 44014660), (10, 30810262), (14, 22007330), (20, 15405131), (28, 11003665), (35, 8802932), (70, 4401466), (140, 2200733), (173, 1780940), (346, 890470), (692, 445235), (865, 356188), (1211, 254420), (1730, 178094), (2422, 127210), (3460, 89047), (4844, 63605), (6055, 50884), (12110, 25442), (12721, 24220)]