17701720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 24599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 271, 284, 355, 460, 542, 568, 710, 920, 1084, 1355, 1420, 1633, 2168, 2710, 2840, 3266, 5420, 6233, 6532, 8165, 10840, 12466, 13064, 16330, 19241, 24932, 31165, 32660, 38482, 49864, 62330, 65320, 76964, 96205, 124660, 153928, 192410, 249320, 384820, 442543, 769640, 885086, 1770172, 2212715, 3540344, 4425430, 8850860, 17701720]

約数ペア:

[(1, 17701720), (2, 8850860), (4, 4425430), (5, 3540344), (8, 2212715), (10, 1770172), (20, 885086), (23, 769640), (40, 442543), (46, 384820), (71, 249320), (92, 192410), (115, 153928), (142, 124660), (184, 96205), (230, 76964), (271, 65320), (284, 62330), (355, 49864), (460, 38482), (542, 32660), (568, 31165), (710, 24932), (920, 19241), (1084, 16330), (1355, 13064), (1420, 12466), (1633, 10840), (2168, 8165), (2710, 6532), (2840, 6233), (3266, 5420)]