100999780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{14723}}^1$

素因数の和:14753

約数の個数: 48

約数和(自身を含む): 247363200

約数和(自身を除く): 146363420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 14723, 29446, 58892, 73615, 103061, 147230, 206122, 294460, 412244, 515305, 721427, 1030610, 1442854, 2061220, 2885708, 3607135, 5049989, 7214270, 10099978, 14428540, 20199956, 25249945, 50499890, 100999780]

約数ペア:

[(1, 100999780), (2, 50499890), (4, 25249945), (5, 20199956), (7, 14428540), (10, 10099978), (14, 7214270), (20, 5049989), (28, 3607135), (35, 2885708), (49, 2061220), (70, 1442854), (98, 1030610), (140, 721427), (196, 515305), (245, 412244), (343, 294460), (490, 206122), (686, 147230), (980, 103061), (1372, 73615), (1715, 58892), (3430, 29446), (6860, 14723)]