31105420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 67173120

約数和(自身を除く): 36067700

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 167, 268, 278, 334, 335, 556, 668, 670, 695, 835, 1340, 1390, 1670, 2780, 3340, 9313, 11189, 18626, 22378, 23213, 37252, 44756, 46426, 46565, 55945, 92852, 93130, 111890, 116065, 186260, 223780, 232130, 464260, 1555271, 3110542, 6221084, 7776355, 15552710, 31105420]

約数ペア:

[(1, 31105420), (2, 15552710), (4, 7776355), (5, 6221084), (10, 3110542), (20, 1555271), (67, 464260), (134, 232130), (139, 223780), (167, 186260), (268, 116065), (278, 111890), (334, 93130), (335, 92852), (556, 55945), (668, 46565), (670, 46426), (695, 44756), (835, 37252), (1340, 23213), (1390, 22378), (1670, 18626), (2780, 11189), (3340, 9313)]