849429760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21407}}^1$

素因数の和:21459

約数の個数: 72

約数和(自身を含む): 2100381696

約数和(自身を除く): 1250951936

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, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 21407, 39680, 42814, 85628, 107035, 171256, 214070, 342512, 428140, 663617, 685024, 856280, 1327234, 1370048, 1712560, 2654468, 2740096, 3318085, 3425120, 5308936, 5480192, 6636170, 6850240, 10617872, 13272340, 13700480, 21235744, 26544680, 27400960, 42471488, 53089360, 84942976, 106178720, 169885952, 212357440, 424714880, 849429760]

約数ペア:

[(1, 849429760), (2, 424714880), (4, 212357440), (5, 169885952), (8, 106178720), (10, 84942976), (16, 53089360), (20, 42471488), (31, 27400960), (32, 26544680), (40, 21235744), (62, 13700480), (64, 13272340), (80, 10617872), (124, 6850240), (128, 6636170), (155, 5480192), (160, 5308936), (248, 3425120), (256, 3318085), (310, 2740096), (320, 2654468), (496, 1712560), (620, 1370048), (640, 1327234), (992, 856280), (1240, 685024), (1280, 663617), (1984, 428140), (2480, 342512), (3968, 214070), (4960, 171256), (7936, 107035), (9920, 85628), (19840, 42814), (21407, 39680)]