398827980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10501}}^1$

素因数の和:10727

約数の個数: 72

約数和(自身を含む): 1215627504

約数和(自身を除く): 816799524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 10501, 12660, 18990, 21002, 31503, 37980, 42004, 52505, 63006, 94509, 105010, 126012, 157515, 189018, 210020, 315030, 378036, 472545, 630060, 945090, 1890180, 2215711, 4431422, 6647133, 8862844, 11078555, 13294266, 19941399, 22157110, 26588532, 33235665, 39882798, 44314220, 66471330, 79765596, 99706995, 132942660, 199413990, 398827980]

約数ペア:

[(1, 398827980), (2, 199413990), (3, 132942660), (4, 99706995), (5, 79765596), (6, 66471330), (9, 44314220), (10, 39882798), (12, 33235665), (15, 26588532), (18, 22157110), (20, 19941399), (30, 13294266), (36, 11078555), (45, 8862844), (60, 6647133), (90, 4431422), (180, 2215711), (211, 1890180), (422, 945090), (633, 630060), (844, 472545), (1055, 378036), (1266, 315030), (1899, 210020), (2110, 189018), (2532, 157515), (3165, 126012), (3798, 105010), (4220, 94509), (6330, 63006), (7596, 52505), (9495, 42004), (10501, 37980), (12660, 31503), (18990, 21002)]