203557720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1741}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 476611200

約数和(自身を除く): 273053480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 1741, 2923, 3160, 3482, 5846, 6964, 8705, 11692, 13928, 14615, 17410, 23384, 29230, 34820, 58460, 64417, 69640, 116920, 128834, 137539, 257668, 275078, 322085, 515336, 550156, 644170, 687695, 1100312, 1288340, 1375390, 2576680, 2750780, 5088943, 5501560, 10177886, 20355772, 25444715, 40711544, 50889430, 101778860, 203557720]

約数ペア:

[(1, 203557720), (2, 101778860), (4, 50889430), (5, 40711544), (8, 25444715), (10, 20355772), (20, 10177886), (37, 5501560), (40, 5088943), (74, 2750780), (79, 2576680), (148, 1375390), (158, 1288340), (185, 1100312), (296, 687695), (316, 644170), (370, 550156), (395, 515336), (632, 322085), (740, 275078), (790, 257668), (1480, 137539), (1580, 128834), (1741, 116920), (2923, 69640), (3160, 64417), (3482, 58460), (5846, 34820), (6964, 29230), (8705, 23384), (11692, 17410), (13928, 14615)]