208137540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{769}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 630241920

約数和(自身を除く): 422104380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 347, 390, 694, 769, 780, 1041, 1388, 1538, 1735, 2082, 2307, 3076, 3470, 3845, 4164, 4511, 4614, 5205, 6940, 7690, 9022, 9228, 9997, 10410, 11535, 13533, 15380, 18044, 19994, 20820, 22555, 23070, 27066, 29991, 39988, 45110, 46140, 49985, 54132, 59982, 67665, 90220, 99970, 119964, 135330, 149955, 199940, 266843, 270660, 299910, 533686, 599820, 800529, 1067372, 1334215, 1601058, 2668430, 3202116, 3468959, 4002645, 5336860, 6937918, 8005290, 10406877, 13875836, 16010580, 17344795, 20813754, 34689590, 41627508, 52034385, 69379180, 104068770, 208137540]

約数ペア:

[(1, 208137540), (2, 104068770), (3, 69379180), (4, 52034385), (5, 41627508), (6, 34689590), (10, 20813754), (12, 17344795), (13, 16010580), (15, 13875836), (20, 10406877), (26, 8005290), (30, 6937918), (39, 5336860), (52, 4002645), (60, 3468959), (65, 3202116), (78, 2668430), (130, 1601058), (156, 1334215), (195, 1067372), (260, 800529), (347, 599820), (390, 533686), (694, 299910), (769, 270660), (780, 266843), (1041, 199940), (1388, 149955), (1538, 135330), (1735, 119964), (2082, 99970), (2307, 90220), (3076, 67665), (3470, 59982), (3845, 54132), (4164, 49985), (4511, 46140), (4614, 45110), (5205, 39988), (6940, 29991), (7690, 27066), (9022, 23070), (9228, 22555), (9997, 20820), (10410, 19994), (11535, 18044), (13533, 15380)]