254572760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6197}}^1$

素因数の和:6300

約数の個数: 64

約数和(自身を含む): 624758400

約数和(自身を除く): 370185640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 6197, 8216, 10270, 12394, 20540, 24788, 30985, 41080, 49576, 61970, 80561, 123940, 161122, 247880, 322244, 402805, 489563, 644488, 805610, 979126, 1611220, 1958252, 2447815, 3222440, 3916504, 4895630, 6364319, 9791260, 12728638, 19582520, 25457276, 31821595, 50914552, 63643190, 127286380, 254572760]

約数ペア:

[(1, 254572760), (2, 127286380), (4, 63643190), (5, 50914552), (8, 31821595), (10, 25457276), (13, 19582520), (20, 12728638), (26, 9791260), (40, 6364319), (52, 4895630), (65, 3916504), (79, 3222440), (104, 2447815), (130, 1958252), (158, 1611220), (260, 979126), (316, 805610), (395, 644488), (520, 489563), (632, 402805), (790, 322244), (1027, 247880), (1580, 161122), (2054, 123940), (3160, 80561), (4108, 61970), (5135, 49576), (6197, 41080), (8216, 30985), (10270, 24788), (12394, 20540)]