28979060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 37911820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 839, 1570, 1678, 1727, 3140, 3356, 3454, 4195, 6908, 8390, 8635, 9229, 16780, 17270, 18458, 34540, 36916, 46145, 92290, 131723, 184580, 263446, 526892, 658615, 1317230, 1448953, 2634460, 2897906, 5795812, 7244765, 14489530, 28979060]

約数ペア:

[(1, 28979060), (2, 14489530), (4, 7244765), (5, 5795812), (10, 2897906), (11, 2634460), (20, 1448953), (22, 1317230), (44, 658615), (55, 526892), (110, 263446), (157, 184580), (220, 131723), (314, 92290), (628, 46145), (785, 36916), (839, 34540), (1570, 18458), (1678, 17270), (1727, 16780), (3140, 9229), (3356, 8635), (3454, 8390), (4195, 6908)]