28007300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 63745920

約数和(自身を除く): 35738620

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 59, 94, 100, 101, 118, 188, 202, 235, 236, 295, 404, 470, 505, 590, 940, 1010, 1175, 1180, 1475, 2020, 2350, 2525, 2773, 2950, 4700, 4747, 5050, 5546, 5900, 5959, 9494, 10100, 11092, 11918, 13865, 18988, 23735, 23836, 27730, 29795, 47470, 55460, 59590, 69325, 94940, 118675, 119180, 138650, 148975, 237350, 277300, 280073, 297950, 474700, 560146, 595900, 1120292, 1400365, 2800730, 5601460, 7001825, 14003650, 28007300]

約数ペア:

[(1, 28007300), (2, 14003650), (4, 7001825), (5, 5601460), (10, 2800730), (20, 1400365), (25, 1120292), (47, 595900), (50, 560146), (59, 474700), (94, 297950), (100, 280073), (101, 277300), (118, 237350), (188, 148975), (202, 138650), (235, 119180), (236, 118675), (295, 94940), (404, 69325), (470, 59590), (505, 55460), (590, 47470), (940, 29795), (1010, 27730), (1175, 23836), (1180, 23735), (1475, 18988), (2020, 13865), (2350, 11918), (2525, 11092), (2773, 10100), (2950, 9494), (4700, 5959), (4747, 5900), (5050, 5546)]