254588360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2897}}^1$

素因数の和:2947

約数の個数: 64

約数和(自身を含む): 620751600

約数和(自身を除く): 366163240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 2897, 3380, 4394, 5794, 6760, 8788, 10985, 11588, 14485, 17576, 21970, 23176, 28970, 37661, 43940, 57940, 75322, 87880, 115880, 150644, 188305, 301288, 376610, 489593, 753220, 979186, 1506440, 1958372, 2447965, 3916744, 4895930, 6364709, 9791860, 12729418, 19583720, 25458836, 31823545, 50917672, 63647090, 127294180, 254588360]

約数ペア:

[(1, 254588360), (2, 127294180), (4, 63647090), (5, 50917672), (8, 31823545), (10, 25458836), (13, 19583720), (20, 12729418), (26, 9791860), (40, 6364709), (52, 4895930), (65, 3916744), (104, 2447965), (130, 1958372), (169, 1506440), (260, 979186), (338, 753220), (520, 489593), (676, 376610), (845, 301288), (1352, 188305), (1690, 150644), (2197, 115880), (2897, 87880), (3380, 75322), (4394, 57940), (5794, 43940), (6760, 37661), (8788, 28970), (10985, 23176), (11588, 21970), (14485, 17576)]