42087380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 90792576

約数和(自身を除く): 48705196

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 277, 284, 355, 428, 535, 554, 710, 1070, 1108, 1385, 1420, 2140, 2770, 5540, 7597, 15194, 19667, 29639, 30388, 37985, 39334, 59278, 75970, 78668, 98335, 118556, 148195, 151940, 196670, 296390, 393340, 592780, 2104369, 4208738, 8417476, 10521845, 21043690, 42087380]

約数ペア:

[(1, 42087380), (2, 21043690), (4, 10521845), (5, 8417476), (10, 4208738), (20, 2104369), (71, 592780), (107, 393340), (142, 296390), (214, 196670), (277, 151940), (284, 148195), (355, 118556), (428, 98335), (535, 78668), (554, 75970), (710, 59278), (1070, 39334), (1108, 37985), (1385, 30388), (1420, 29639), (2140, 19667), (2770, 15194), (5540, 7597)]