1888893440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{105407}}^1$

素因数の和:105437

約数の個数: 80

約数和(自身を含む): 5175954432

約数和(自身を除く): 3287060992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 105407, 210814, 421628, 527035, 737849, 843256, 1054070, 1475698, 1686512, 2108140, 2951396, 3373024, 3689245, 4216280, 5902792, 6746048, 7378490, 8432560, 11805584, 13492096, 14756980, 16865120, 23611168, 26984192, 29513960, 33730240, 47222336, 53968384, 59027920, 67460480, 94444672, 118055840, 134920960, 188889344, 236111680, 269841920, 377778688, 472223360, 944446720, 1888893440]

約数ペア:

[(1, 1888893440), (2, 944446720), (4, 472223360), (5, 377778688), (7, 269841920), (8, 236111680), (10, 188889344), (14, 134920960), (16, 118055840), (20, 94444672), (28, 67460480), (32, 59027920), (35, 53968384), (40, 47222336), (56, 33730240), (64, 29513960), (70, 26984192), (80, 23611168), (112, 16865120), (128, 14756980), (140, 13492096), (160, 11805584), (224, 8432560), (256, 7378490), (280, 6746048), (320, 5902792), (448, 4216280), (512, 3689245), (560, 3373024), (640, 2951396), (896, 2108140), (1120, 1686512), (1280, 1475698), (1792, 1054070), (2240, 843256), (2560, 737849), (3584, 527035), (4480, 421628), (8960, 210814), (17920, 105407)]