238537840

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{4817}}^1$

素因数の和:5449

約数の個数: 40

約数和(自身を含む): 555611760

約数和(自身を除く): 317073920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 4817, 4952, 6190, 9634, 9904, 12380, 19268, 24085, 24760, 38536, 48170, 49520, 77072, 96340, 192680, 385360, 2981723, 5963446, 11926892, 14908615, 23853784, 29817230, 47707568, 59634460, 119268920, 238537840]

約数ペア:

[(1, 238537840), (2, 119268920), (4, 59634460), (5, 47707568), (8, 29817230), (10, 23853784), (16, 14908615), (20, 11926892), (40, 5963446), (80, 2981723), (619, 385360), (1238, 192680), (2476, 96340), (3095, 77072), (4817, 49520), (4952, 48170), (6190, 38536), (9634, 24760), (9904, 24085), (12380, 19268)]