98979020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{100999}}^1$

素因数の和:101022

約数の個数: 36

約数和(自身を含む): 241794000

約数和(自身を除く): 142814980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 100999, 201998, 403996, 504995, 706993, 1009990, 1413986, 2019980, 2827972, 3534965, 4948951, 7069930, 9897902, 14139860, 19795804, 24744755, 49489510, 98979020]

約数ペア:

[(1, 98979020), (2, 49489510), (4, 24744755), (5, 19795804), (7, 14139860), (10, 9897902), (14, 7069930), (20, 4948951), (28, 3534965), (35, 2827972), (49, 2019980), (70, 1413986), (98, 1009990), (140, 706993), (196, 504995), (245, 403996), (490, 201998), (980, 100999)]