220416400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 556096104

約数和(自身を除く): 335679704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 53, 74, 80, 100, 106, 148, 185, 200, 212, 265, 281, 296, 370, 400, 424, 530, 562, 592, 740, 848, 925, 1060, 1124, 1325, 1405, 1480, 1850, 1961, 2120, 2248, 2650, 2810, 2960, 3700, 3922, 4240, 4496, 5300, 5620, 7025, 7400, 7844, 9805, 10397, 10600, 11240, 14050, 14800, 14893, 15688, 19610, 20794, 21200, 22480, 28100, 29786, 31376, 39220, 41588, 49025, 51985, 56200, 59572, 74465, 78440, 83176, 98050, 103970, 112400, 119144, 148930, 156880, 166352, 196100, 207940, 238288, 259925, 297860, 372325, 392200, 415880, 519850, 551041, 595720, 744650, 784400, 831760, 1039700, 1102082, 1191440, 1489300, 2079400, 2204164, 2755205, 2978600, 4158800, 4408328, 5510410, 5957200, 8816656, 11020820, 13776025, 22041640, 27552050, 44083280, 55104100, 110208200, 220416400]

約数ペア:

[(1, 220416400), (2, 110208200), (4, 55104100), (5, 44083280), (8, 27552050), (10, 22041640), (16, 13776025), (20, 11020820), (25, 8816656), (37, 5957200), (40, 5510410), (50, 4408328), (53, 4158800), (74, 2978600), (80, 2755205), (100, 2204164), (106, 2079400), (148, 1489300), (185, 1191440), (200, 1102082), (212, 1039700), (265, 831760), (281, 784400), (296, 744650), (370, 595720), (400, 551041), (424, 519850), (530, 415880), (562, 392200), (592, 372325), (740, 297860), (848, 259925), (925, 238288), (1060, 207940), (1124, 196100), (1325, 166352), (1405, 156880), (1480, 148930), (1850, 119144), (1961, 112400), (2120, 103970), (2248, 98050), (2650, 83176), (2810, 78440), (2960, 74465), (3700, 59572), (3922, 56200), (4240, 51985), (4496, 49025), (5300, 41588), (5620, 39220), (7025, 31376), (7400, 29786), (7844, 28100), (9805, 22480), (10397, 21200), (10600, 20794), (11240, 19610), (14050, 15688), (14800, 14893)]