99400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 267840

約数和(自身を除く): 168440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 497, 568, 700, 710, 994, 1400, 1420, 1775, 1988, 2485, 2840, 3550, 3976, 4970, 7100, 9940, 12425, 14200, 19880, 24850, 49700, 99400]

約数ペア:

[(1, 99400), (2, 49700), (4, 24850), (5, 19880), (7, 14200), (8, 12425), (10, 9940), (14, 7100), (20, 4970), (25, 3976), (28, 3550), (35, 2840), (40, 2485), (50, 1988), (56, 1775), (70, 1420), (71, 1400), (100, 994), (140, 710), (142, 700), (175, 568), (200, 497), (280, 355), (284, 350)]