220272220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25793}}^1$

素因数の和:25870

約数の個数: 48

約数和(自身を含む): 537340608

約数和(自身を除く): 317068388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 25793, 51586, 103172, 128965, 180551, 257930, 361102, 515860, 722204, 902755, 1573373, 1805510, 3146746, 3611020, 6293492, 7866865, 11013611, 15733730, 22027222, 31467460, 44054444, 55068055, 110136110, 220272220]

約数ペア:

[(1, 220272220), (2, 110136110), (4, 55068055), (5, 44054444), (7, 31467460), (10, 22027222), (14, 15733730), (20, 11013611), (28, 7866865), (35, 6293492), (61, 3611020), (70, 3146746), (122, 1805510), (140, 1573373), (244, 902755), (305, 722204), (427, 515860), (610, 361102), (854, 257930), (1220, 180551), (1708, 128965), (2135, 103172), (4270, 51586), (8540, 25793)]