222440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 514080

約数和(自身を除く): 291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 268, 332, 335, 415, 536, 664, 670, 830, 1340, 1660, 2680, 3320, 5561, 11122, 22244, 27805, 44488, 55610, 111220, 222440]

約数ペア:

[(1, 222440), (2, 111220), (4, 55610), (5, 44488), (8, 27805), (10, 22244), (20, 11122), (40, 5561), (67, 3320), (83, 2680), (134, 1660), (166, 1340), (268, 830), (332, 670), (335, 664), (415, 536)]