2665460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 6504960

約数和(自身を除く): 3839500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 241, 316, 395, 482, 553, 790, 964, 1106, 1205, 1580, 1687, 2212, 2410, 2765, 3374, 4820, 5530, 6748, 8435, 11060, 16870, 19039, 33740, 38078, 76156, 95195, 133273, 190390, 266546, 380780, 533092, 666365, 1332730, 2665460]

約数ペア:

[(1, 2665460), (2, 1332730), (4, 666365), (5, 533092), (7, 380780), (10, 266546), (14, 190390), (20, 133273), (28, 95195), (35, 76156), (70, 38078), (79, 33740), (140, 19039), (158, 16870), (241, 11060), (316, 8435), (395, 6748), (482, 5530), (553, 4820), (790, 3374), (964, 2765), (1106, 2410), (1205, 2212), (1580, 1687)]