1949474020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{325999}}^1$

素因数の和:326044

約数の個数: 48

約数和(自身を含む): 4600512000

約数和(自身を除く): 2651037980

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 325999, 651998, 1303996, 1629995, 3259990, 4237987, 6519980, 7497977, 8475974, 14995954, 16951948, 21189935, 29991908, 37489885, 42379870, 74979770, 84759740, 97473701, 149959540, 194947402, 389894804, 487368505, 974737010, 1949474020]

約数ペア:

[(1, 1949474020), (2, 974737010), (4, 487368505), (5, 389894804), (10, 194947402), (13, 149959540), (20, 97473701), (23, 84759740), (26, 74979770), (46, 42379870), (52, 37489885), (65, 29991908), (92, 21189935), (115, 16951948), (130, 14995954), (230, 8475974), (260, 7497977), (299, 6519980), (460, 4237987), (598, 3259990), (1196, 1629995), (1495, 1303996), (2990, 651998), (5980, 325999)]