388242840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4111}}^1$

素因数の和:4912

約数の個数: 64

約数和(自身を含む): 1166492160

約数和(自身を除く): 778249320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 787, 1574, 2361, 3148, 3935, 4111, 4722, 6296, 7870, 8222, 9444, 11805, 12333, 15740, 16444, 18888, 20555, 23610, 24666, 31480, 32888, 41110, 47220, 49332, 61665, 82220, 94440, 98664, 123330, 164440, 246660, 493320, 3235357, 6470714, 9706071, 12941428, 16176785, 19412142, 25882856, 32353570, 38824284, 48530355, 64707140, 77648568, 97060710, 129414280, 194121420, 388242840]

約数ペア:

[(1, 388242840), (2, 194121420), (3, 129414280), (4, 97060710), (5, 77648568), (6, 64707140), (8, 48530355), (10, 38824284), (12, 32353570), (15, 25882856), (20, 19412142), (24, 16176785), (30, 12941428), (40, 9706071), (60, 6470714), (120, 3235357), (787, 493320), (1574, 246660), (2361, 164440), (3148, 123330), (3935, 98664), (4111, 94440), (4722, 82220), (6296, 61665), (7870, 49332), (8222, 47220), (9444, 41110), (11805, 32888), (12333, 31480), (15740, 24666), (16444, 23610), (18888, 20555)]