223840520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{769}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 532224000

約数和(自身を除く): 308383480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 383, 760, 766, 769, 1532, 1538, 1915, 3064, 3076, 3830, 3845, 6152, 7277, 7660, 7690, 14554, 14611, 15320, 15380, 29108, 29222, 30760, 36385, 58216, 58444, 72770, 73055, 116888, 145540, 146110, 291080, 292220, 294527, 584440, 589054, 1178108, 1472635, 2356216, 2945270, 5596013, 5890540, 11192026, 11781080, 22384052, 27980065, 44768104, 55960130, 111920260, 223840520]

約数ペア:

[(1, 223840520), (2, 111920260), (4, 55960130), (5, 44768104), (8, 27980065), (10, 22384052), (19, 11781080), (20, 11192026), (38, 5890540), (40, 5596013), (76, 2945270), (95, 2356216), (152, 1472635), (190, 1178108), (380, 589054), (383, 584440), (760, 294527), (766, 292220), (769, 291080), (1532, 146110), (1538, 145540), (1915, 116888), (3064, 73055), (3076, 72770), (3830, 58444), (3845, 58216), (6152, 36385), (7277, 30760), (7660, 29222), (7690, 29108), (14554, 15380), (14611, 15320)]