210859520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2711

約数の個数: 80

約数和(自身を含む): 522073728

約数和(自身を除く): 311214208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 2657, 3968, 4960, 5314, 7936, 9920, 10628, 13285, 15872, 19840, 21256, 26570, 39680, 42512, 53140, 79360, 82367, 85024, 106280, 164734, 170048, 212560, 329468, 340096, 411835, 425120, 658936, 680192, 823670, 850240, 1317872, 1360384, 1647340, 1700480, 2635744, 3294680, 3400960, 5271488, 6589360, 6801920, 10542976, 13178720, 21085952, 26357440, 42171904, 52714880, 105429760, 210859520]

約数ペア:

[(1, 210859520), (2, 105429760), (4, 52714880), (5, 42171904), (8, 26357440), (10, 21085952), (16, 13178720), (20, 10542976), (31, 6801920), (32, 6589360), (40, 5271488), (62, 3400960), (64, 3294680), (80, 2635744), (124, 1700480), (128, 1647340), (155, 1360384), (160, 1317872), (248, 850240), (256, 823670), (310, 680192), (320, 658936), (496, 425120), (512, 411835), (620, 340096), (640, 329468), (992, 212560), (1240, 170048), (1280, 164734), (1984, 106280), (2480, 85024), (2560, 82367), (2657, 79360), (3968, 53140), (4960, 42512), (5314, 39680), (7936, 26570), (9920, 21256), (10628, 19840), (13285, 15872)]