211736720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15661}}^1$

素因数の和:15700

約数の個数: 60

約数和(自身を含む): 533103156

約数和(自身を除く): 321366436

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 15661, 31322, 62644, 78305, 125288, 156610, 203593, 250576, 313220, 407186, 626440, 814372, 1017965, 1252880, 1628744, 2035930, 2646709, 3257488, 4071860, 5293418, 8143720, 10586836, 13233545, 16287440, 21173672, 26467090, 42347344, 52934180, 105868360, 211736720]

約数ペア:

[(1, 211736720), (2, 105868360), (4, 52934180), (5, 42347344), (8, 26467090), (10, 21173672), (13, 16287440), (16, 13233545), (20, 10586836), (26, 8143720), (40, 5293418), (52, 4071860), (65, 3257488), (80, 2646709), (104, 2035930), (130, 1628744), (169, 1252880), (208, 1017965), (260, 814372), (338, 626440), (520, 407186), (676, 313220), (845, 250576), (1040, 203593), (1352, 156610), (1690, 125288), (2704, 78305), (3380, 62644), (6760, 31322), (13520, 15661)]