28741340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 62920704

約数和(自身を除く): 34179364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 307, 310, 604, 614, 620, 755, 1228, 1510, 1535, 3020, 3070, 4681, 6140, 9362, 9517, 18724, 19034, 23405, 38068, 46357, 46810, 47585, 92714, 93620, 95170, 185428, 190340, 231785, 463570, 927140, 1437067, 2874134, 5748268, 7185335, 14370670, 28741340]

約数ペア:

[(1, 28741340), (2, 14370670), (4, 7185335), (5, 5748268), (10, 2874134), (20, 1437067), (31, 927140), (62, 463570), (124, 231785), (151, 190340), (155, 185428), (302, 95170), (307, 93620), (310, 92714), (604, 47585), (614, 46810), (620, 46357), (755, 38068), (1228, 23405), (1510, 19034), (1535, 18724), (3020, 9517), (3070, 9362), (4681, 6140)]