78012620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3221}}^1$

素因数の和:3410

約数の個数: 48

約数和(自身を含む): 188371008

約数和(自身を除く): 110358388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3221, 3460, 4844, 6055, 6442, 12110, 12884, 16105, 22547, 24220, 32210, 45094, 64420, 90188, 112735, 225470, 450940, 557233, 1114466, 2228932, 2786165, 3900631, 5572330, 7801262, 11144660, 15602524, 19503155, 39006310, 78012620]

約数ペア:

[(1, 78012620), (2, 39006310), (4, 19503155), (5, 15602524), (7, 11144660), (10, 7801262), (14, 5572330), (20, 3900631), (28, 2786165), (35, 2228932), (70, 1114466), (140, 557233), (173, 450940), (346, 225470), (692, 112735), (865, 90188), (1211, 64420), (1730, 45094), (2422, 32210), (3221, 24220), (3460, 22547), (4844, 16105), (6055, 12884), (6442, 12110)]