28565568020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 65840947200

約数和(自身を除く): 37275379180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 419, 431, 719, 838, 862, 1438, 1676, 1724, 2095, 2155, 2876, 3595, 4190, 4310, 4609, 4741, 7190, 7909, 8380, 8620, 9218, 9482, 14380, 15818, 18436, 18964, 23045, 23705, 31636, 39545, 46090, 47410, 79090, 92180, 94820, 158180, 180589, 301261, 309889, 361178, 602522, 619778, 722356, 902945, 1205044, 1239556, 1506305, 1549445, 1805890, 1986479, 3012610, 3098890, 3313871, 3408779, 3611780, 3972958, 6025220, 6197780, 6627742, 6817558, 7945916, 9932395, 13255484, 13635116, 16569355, 17043895, 19864790, 33138710, 34087790, 39729580, 66277420, 68175580, 129843491, 259686982, 519373964, 649217455, 1298434910, 1428278401, 2596869820, 2856556802, 5713113604, 7141392005, 14282784010, 28565568020]

約数ペア:

[(1, 28565568020), (2, 14282784010), (4, 7141392005), (5, 5713113604), (10, 2856556802), (11, 2596869820), (20, 1428278401), (22, 1298434910), (44, 649217455), (55, 519373964), (110, 259686982), (220, 129843491), (419, 68175580), (431, 66277420), (719, 39729580), (838, 34087790), (862, 33138710), (1438, 19864790), (1676, 17043895), (1724, 16569355), (2095, 13635116), (2155, 13255484), (2876, 9932395), (3595, 7945916), (4190, 6817558), (4310, 6627742), (4609, 6197780), (4741, 6025220), (7190, 3972958), (7909, 3611780), (8380, 3408779), (8620, 3313871), (9218, 3098890), (9482, 3012610), (14380, 1986479), (15818, 1805890), (18436, 1549445), (18964, 1506305), (23045, 1239556), (23705, 1205044), (31636, 902945), (39545, 722356), (46090, 619778), (47410, 602522), (79090, 361178), (92180, 309889), (94820, 301261), (158180, 180589)]