17899973840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31964239}}^1$

素因数の和:31964259

約数の個数: 40

約数和(自身を含む): 47562789120

約数和(自身を除く): 29662815280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31964239, 63928478, 127856956, 159821195, 223749673, 255713912, 319642390, 447499346, 511427824, 639284780, 894998692, 1118748365, 1278569560, 1789997384, 2237496730, 2557139120, 3579994768, 4474993460, 8949986920, 17899973840]

約数ペア:

[(1, 17899973840), (2, 8949986920), (4, 4474993460), (5, 3579994768), (7, 2557139120), (8, 2237496730), (10, 1789997384), (14, 1278569560), (16, 1118748365), (20, 894998692), (28, 639284780), (35, 511427824), (40, 447499346), (56, 319642390), (70, 255713912), (80, 223749673), (112, 159821195), (140, 127856956), (280, 63928478), (560, 31964239)]