99489460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10009}}^1$

素因数の和:10096

約数の個数: 48

約数和(自身を含む): 242161920

約数和(自身を除く): 142672460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 10009, 20018, 40036, 50045, 70063, 100090, 140126, 200180, 280252, 350315, 700630, 710639, 1401260, 1421278, 2842556, 3553195, 4974473, 7106390, 9948946, 14212780, 19897892, 24872365, 49744730, 99489460]

約数ペア:

[(1, 99489460), (2, 49744730), (4, 24872365), (5, 19897892), (7, 14212780), (10, 9948946), (14, 7106390), (20, 4974473), (28, 3553195), (35, 2842556), (70, 1421278), (71, 1401260), (140, 710639), (142, 700630), (284, 350315), (355, 280252), (497, 200180), (710, 140126), (994, 100090), (1420, 70063), (1988, 50045), (2485, 40036), (4970, 20018), (9940, 10009)]