28432878980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1\times {\mathrm{2293}}^1$

素因数の和:2829

約数の個数: 96

約数和(自身を含む): 65763290880

約数和(自身を除く): 37330411900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 359, 628, 718, 785, 1436, 1570, 1727, 1795, 2293, 3140, 3454, 3590, 3949, 4586, 6908, 7180, 7898, 8635, 9172, 11465, 15796, 17270, 19745, 22930, 25223, 34540, 39490, 45860, 50446, 56363, 78980, 100892, 112726, 126115, 225452, 252230, 281815, 360001, 504460, 563630, 619993, 720002, 823187, 1127260, 1239986, 1440004, 1646374, 1800005, 2479972, 3099965, 3292748, 3600010, 3960011, 4115935, 6199930, 7200020, 7920022, 8231870, 9055057, 12399860, 15840044, 16463740, 18110114, 19800055, 36220228, 39600110, 45275285, 79200220, 90550570, 129240359, 181101140, 258480718, 516961436, 646201795, 1292403590, 1421643949, 2584807180, 2843287898, 5686575796, 7108219745, 14216439490, 28432878980]

約数ペア:

[(1, 28432878980), (2, 14216439490), (4, 7108219745), (5, 5686575796), (10, 2843287898), (11, 2584807180), (20, 1421643949), (22, 1292403590), (44, 646201795), (55, 516961436), (110, 258480718), (157, 181101140), (220, 129240359), (314, 90550570), (359, 79200220), (628, 45275285), (718, 39600110), (785, 36220228), (1436, 19800055), (1570, 18110114), (1727, 16463740), (1795, 15840044), (2293, 12399860), (3140, 9055057), (3454, 8231870), (3590, 7920022), (3949, 7200020), (4586, 6199930), (6908, 4115935), (7180, 3960011), (7898, 3600010), (8635, 3292748), (9172, 3099965), (11465, 2479972), (15796, 1800005), (17270, 1646374), (19745, 1440004), (22930, 1239986), (25223, 1127260), (34540, 823187), (39490, 720002), (45860, 619993), (50446, 563630), (56363, 504460), (78980, 360001), (100892, 281815), (112726, 252230), (126115, 225452)]