421719040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2713

約数の個数: 88

約数和(自身を含む): 1044657792

約数和(自身を除く): 622938752

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, 1024, 1240, 1280, 1984, 2480, 2560, 2657, 3968, 4960, 5120, 5314, 7936, 9920, 10628, 13285, 15872, 19840, 21256, 26570, 31744, 39680, 42512, 53140, 79360, 82367, 85024, 106280, 158720, 164734, 170048, 212560, 329468, 340096, 411835, 425120, 658936, 680192, 823670, 850240, 1317872, 1360384, 1647340, 1700480, 2635744, 2720768, 3294680, 3400960, 5271488, 6589360, 6801920, 10542976, 13178720, 13603840, 21085952, 26357440, 42171904, 52714880, 84343808, 105429760, 210859520, 421719040]

約数ペア:

[(1, 421719040), (2, 210859520), (4, 105429760), (5, 84343808), (8, 52714880), (10, 42171904), (16, 26357440), (20, 21085952), (31, 13603840), (32, 13178720), (40, 10542976), (62, 6801920), (64, 6589360), (80, 5271488), (124, 3400960), (128, 3294680), (155, 2720768), (160, 2635744), (248, 1700480), (256, 1647340), (310, 1360384), (320, 1317872), (496, 850240), (512, 823670), (620, 680192), (640, 658936), (992, 425120), (1024, 411835), (1240, 340096), (1280, 329468), (1984, 212560), (2480, 170048), (2560, 164734), (2657, 158720), (3968, 106280), (4960, 85024), (5120, 82367), (5314, 79360), (7936, 53140), (9920, 42512), (10628, 39680), (13285, 31744), (15872, 26570), (19840, 21256)]