28415430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 74387664

約数和(自身を除く): 45972234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2011, 2355, 2826, 4022, 4710, 6033, 7065, 10055, 12066, 14130, 18099, 20110, 30165, 36198, 60330, 90495, 180990, 315727, 631454, 947181, 1578635, 1894362, 2841543, 3157270, 4735905, 5683086, 9471810, 14207715, 28415430]

約数ペア:

[(1, 28415430), (2, 14207715), (3, 9471810), (5, 5683086), (6, 4735905), (9, 3157270), (10, 2841543), (15, 1894362), (18, 1578635), (30, 947181), (45, 631454), (90, 315727), (157, 180990), (314, 90495), (471, 60330), (785, 36198), (942, 30165), (1413, 20110), (1570, 18099), (2011, 14130), (2355, 12066), (2826, 10055), (4022, 7065), (4710, 6033)]