917980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 2257920

約数和(自身を除く): 1339940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 83, 140, 158, 166, 316, 332, 395, 415, 553, 581, 790, 830, 1106, 1162, 1580, 1660, 2212, 2324, 2765, 2905, 5530, 5810, 6557, 11060, 11620, 13114, 26228, 32785, 45899, 65570, 91798, 131140, 183596, 229495, 458990, 917980]

約数ペア:

[(1, 917980), (2, 458990), (4, 229495), (5, 183596), (7, 131140), (10, 91798), (14, 65570), (20, 45899), (28, 32785), (35, 26228), (70, 13114), (79, 11620), (83, 11060), (140, 6557), (158, 5810), (166, 5530), (316, 2905), (332, 2765), (395, 2324), (415, 2212), (553, 1660), (581, 1580), (790, 1162), (830, 1106)]