1098016780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{340999}}^1$

素因数の和:341038

約数の個数: 48

約数和(自身を含む): 2749824000

約数和(自身を除く): 1651807220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 340999, 681998, 1363996, 1704995, 2386993, 3409990, 4773986, 6819980, 7842977, 9547972, 11934965, 15685954, 23869930, 31371908, 39214885, 47739860, 54900839, 78429770, 109801678, 156859540, 219603356, 274504195, 549008390, 1098016780]

約数ペア:

[(1, 1098016780), (2, 549008390), (4, 274504195), (5, 219603356), (7, 156859540), (10, 109801678), (14, 78429770), (20, 54900839), (23, 47739860), (28, 39214885), (35, 31371908), (46, 23869930), (70, 15685954), (92, 11934965), (115, 9547972), (140, 7842977), (161, 6819980), (230, 4773986), (322, 3409990), (460, 2386993), (644, 1704995), (805, 1363996), (1610, 681998), (3220, 340999)]