2861298680

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1\times {\mathrm{1741}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 6505742880

約数和(自身を除く): 3644444200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 227, 362, 454, 724, 905, 908, 1135, 1448, 1741, 1810, 1816, 2270, 3482, 3620, 4540, 6964, 7240, 8705, 9080, 13928, 17410, 34820, 41087, 69640, 82174, 164348, 205435, 315121, 328696, 395207, 410870, 630242, 790414, 821740, 1260484, 1575605, 1580828, 1643480, 1976035, 2520968, 3151210, 3161656, 3952070, 6302420, 7904140, 12604840, 15808280, 71532467, 143064934, 286129868, 357662335, 572259736, 715324670, 1430649340, 2861298680]

約数ペア:

[(1, 2861298680), (2, 1430649340), (4, 715324670), (5, 572259736), (8, 357662335), (10, 286129868), (20, 143064934), (40, 71532467), (181, 15808280), (227, 12604840), (362, 7904140), (454, 6302420), (724, 3952070), (905, 3161656), (908, 3151210), (1135, 2520968), (1448, 1976035), (1741, 1643480), (1810, 1580828), (1816, 1575605), (2270, 1260484), (3482, 821740), (3620, 790414), (4540, 630242), (6964, 410870), (7240, 395207), (8705, 328696), (9080, 315121), (13928, 205435), (17410, 164348), (34820, 82174), (41087, 69640)]