3172820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 7717248

約数和(自身を除く): 4544428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 173, 262, 346, 524, 655, 692, 865, 917, 1211, 1310, 1730, 1834, 2422, 2620, 3460, 3668, 4585, 4844, 6055, 9170, 12110, 18340, 22663, 24220, 45326, 90652, 113315, 158641, 226630, 317282, 453260, 634564, 793205, 1586410, 3172820]

約数ペア:

[(1, 3172820), (2, 1586410), (4, 793205), (5, 634564), (7, 453260), (10, 317282), (14, 226630), (20, 158641), (28, 113315), (35, 90652), (70, 45326), (131, 24220), (140, 22663), (173, 18340), (262, 12110), (346, 9170), (524, 6055), (655, 4844), (692, 4585), (865, 3668), (917, 3460), (1211, 2620), (1310, 2422), (1730, 1834)]