28818790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2917

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 40854170

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2879, 5005, 5758, 10010, 14395, 20153, 28790, 31669, 37427, 40306, 63338, 74854, 100765, 158345, 187135, 201530, 221683, 261989, 316690, 374270, 411697, 443366, 523978, 823394, 1108415, 1309945, 2058485, 2216830, 2619890, 2881879, 4116970, 5763758, 14409395, 28818790]

約数ペア:

[(1, 28818790), (2, 14409395), (5, 5763758), (7, 4116970), (10, 2881879), (11, 2619890), (13, 2216830), (14, 2058485), (22, 1309945), (26, 1108415), (35, 823394), (55, 523978), (65, 443366), (70, 411697), (77, 374270), (91, 316690), (110, 261989), (130, 221683), (143, 201530), (154, 187135), (182, 158345), (286, 100765), (385, 74854), (455, 63338), (715, 40306), (770, 37427), (910, 31669), (1001, 28790), (1430, 20153), (2002, 14395), (2879, 10010), (5005, 5758)]