814933760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2203}}^1$

素因数の和:2258

約数の個数: 108

約数和(自身を含む): 2074541448

約数和(自身を除く): 1259607688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 544, 578, 640, 680, 1088, 1156, 1280, 1360, 1445, 2176, 2203, 2312, 2720, 2890, 4352, 4406, 4624, 5440, 5780, 8812, 9248, 10880, 11015, 11560, 17624, 18496, 21760, 22030, 23120, 35248, 36992, 37451, 44060, 46240, 70496, 73984, 74902, 88120, 92480, 140992, 149804, 176240, 184960, 187255, 281984, 299608, 352480, 369920, 374510, 563968, 599216, 636667, 704960, 749020, 1198432, 1273334, 1409920, 1498040, 2396864, 2546668, 2819840, 2996080, 3183335, 4793728, 5093336, 5992160, 6366670, 9587456, 10186672, 11984320, 12733340, 20373344, 23968640, 25466680, 40746688, 47937280, 50933360, 81493376, 101866720, 162986752, 203733440, 407466880, 814933760]

約数ペア:

[(1, 814933760), (2, 407466880), (4, 203733440), (5, 162986752), (8, 101866720), (10, 81493376), (16, 50933360), (17, 47937280), (20, 40746688), (32, 25466680), (34, 23968640), (40, 20373344), (64, 12733340), (68, 11984320), (80, 10186672), (85, 9587456), (128, 6366670), (136, 5992160), (160, 5093336), (170, 4793728), (256, 3183335), (272, 2996080), (289, 2819840), (320, 2546668), (340, 2396864), (544, 1498040), (578, 1409920), (640, 1273334), (680, 1198432), (1088, 749020), (1156, 704960), (1280, 636667), (1360, 599216), (1445, 563968), (2176, 374510), (2203, 369920), (2312, 352480), (2720, 299608), (2890, 281984), (4352, 187255), (4406, 184960), (4624, 176240), (5440, 149804), (5780, 140992), (8812, 92480), (9248, 88120), (10880, 74902), (11015, 73984), (11560, 70496), (17624, 46240), (18496, 44060), (21760, 37451), (22030, 36992), (23120, 35248)]