889643220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{644669}}^1$

素因数の和:644704

約数の個数: 48

約数和(自身を含む): 2599309440

約数和(自身を除く): 1709666220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 644669, 1289338, 1934007, 2578676, 3223345, 3868014, 6446690, 7736028, 9670035, 12893380, 14827387, 19340070, 29654774, 38680140, 44482161, 59309548, 74136935, 88964322, 148273870, 177928644, 222410805, 296547740, 444821610, 889643220]

約数ペア:

[(1, 889643220), (2, 444821610), (3, 296547740), (4, 222410805), (5, 177928644), (6, 148273870), (10, 88964322), (12, 74136935), (15, 59309548), (20, 44482161), (23, 38680140), (30, 29654774), (46, 19340070), (60, 14827387), (69, 12893380), (92, 9670035), (115, 7736028), (138, 6446690), (230, 3868014), (276, 3223345), (345, 2578676), (460, 1934007), (690, 1289338), (1380, 644669)]