668879804740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{677}}^1\times {\mathrm{691}}^1\times {\mathrm{1459}}^1$

素因数の和:2850

約数の個数: 144

約数和(自身を含む): 1639882722240

約数和(自身を除く): 971002917500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 677, 691, 980, 1354, 1382, 1459, 2708, 2764, 2918, 3385, 3455, 4739, 4837, 5836, 6770, 6910, 7295, 9478, 9674, 10213, 13540, 13820, 14590, 18956, 19348, 20426, 23695, 24185, 29180, 33173, 33859, 40852, 47390, 48370, 51065, 66346, 67718, 71491, 94780, 96740, 102130, 132692, 135436, 142982, 165865, 169295, 204260, 285964, 331730, 338590, 357455, 467807, 663460, 677180, 714910, 935614, 987743, 1008169, 1429820, 1871228, 1975486, 2016338, 2339035, 3274649, 3950972, 4032676, 4678070, 4938715, 5040845, 6549298, 6914201, 7057183, 9356140, 9877430, 10081690, 13098596, 13828402, 14114366, 16373245, 19754860, 20163380, 22922543, 27656804, 28228732, 32746490, 34571005, 35285915, 45845086, 48399407, 49400281, 65492980, 69142010, 70571830, 91690172, 96798814, 98800562, 114612715, 138284020, 141143660, 193597628, 197601124, 229225430, 241997035, 247001405, 458450860, 483994070, 494002810, 682530413, 967988140, 988005620, 1365060826, 2730121652, 3412652065, 4777712891, 6825304130, 9555425782, 13650608260, 19110851564, 23888564455, 33443990237, 47777128910, 66887980474, 95554257820, 133775960948, 167219951185, 334439902370, 668879804740]

約数ペア:

[(1, 668879804740), (2, 334439902370), (4, 167219951185), (5, 133775960948), (7, 95554257820), (10, 66887980474), (14, 47777128910), (20, 33443990237), (28, 23888564455), (35, 19110851564), (49, 13650608260), (70, 9555425782), (98, 6825304130), (140, 4777712891), (196, 3412652065), (245, 2730121652), (490, 1365060826), (677, 988005620), (691, 967988140), (980, 682530413), (1354, 494002810), (1382, 483994070), (1459, 458450860), (2708, 247001405), (2764, 241997035), (2918, 229225430), (3385, 197601124), (3455, 193597628), (4739, 141143660), (4837, 138284020), (5836, 114612715), (6770, 98800562), (6910, 96798814), (7295, 91690172), (9478, 70571830), (9674, 69142010), (10213, 65492980), (13540, 49400281), (13820, 48399407), (14590, 45845086), (18956, 35285915), (19348, 34571005), (20426, 32746490), (23695, 28228732), (24185, 27656804), (29180, 22922543), (33173, 20163380), (33859, 19754860), (40852, 16373245), (47390, 14114366), (48370, 13828402), (51065, 13098596), (66346, 10081690), (67718, 9877430), (71491, 9356140), (94780, 7057183), (96740, 6914201), (102130, 6549298), (132692, 5040845), (135436, 4938715), (142982, 4678070), (165865, 4032676), (169295, 3950972), (204260, 3274649), (285964, 2339035), (331730, 2016338), (338590, 1975486), (357455, 1871228), (467807, 1429820), (663460, 1008169), (677180, 987743), (714910, 935614)]