7858904970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1\times {\mathrm{953}}^1$

素因数の和:1444

約数の個数: 128

約数和(自身を含む): 21839486976

約数和(自身を除く): 13980582006

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 367, 535, 642, 734, 749, 953, 1070, 1101, 1498, 1605, 1835, 1906, 2202, 2247, 2569, 2859, 3210, 3670, 3745, 4494, 4765, 5138, 5505, 5718, 6671, 7490, 7707, 9530, 11010, 11235, 12845, 13342, 14295, 15414, 20013, 22470, 25690, 28590, 33355, 38535, 39269, 40026, 66710, 77070, 78538, 100065, 101971, 117807, 196345, 200130, 203942, 235614, 274883, 305913, 349751, 392690, 509855, 549766, 589035, 611826, 699502, 713797, 824649, 1019710, 1049253, 1178070, 1374415, 1427594, 1529565, 1649298, 1748755, 2098506, 2141391, 2448257, 2748830, 3059130, 3497510, 3568985, 4123245, 4282782, 4896514, 5246265, 7137970, 7344771, 8246490, 10492530, 10706955, 12241285, 14689542, 21413910, 24482570, 36723855, 37423357, 73447710, 74846714, 112270071, 187116785, 224540142, 261963499, 374233570, 523926998, 561350355, 785890497, 1122700710, 1309817495, 1571780994, 2619634990, 3929452485, 7858904970]

約数ペア:

[(1, 7858904970), (2, 3929452485), (3, 2619634990), (5, 1571780994), (6, 1309817495), (7, 1122700710), (10, 785890497), (14, 561350355), (15, 523926998), (21, 374233570), (30, 261963499), (35, 224540142), (42, 187116785), (70, 112270071), (105, 74846714), (107, 73447710), (210, 37423357), (214, 36723855), (321, 24482570), (367, 21413910), (535, 14689542), (642, 12241285), (734, 10706955), (749, 10492530), (953, 8246490), (1070, 7344771), (1101, 7137970), (1498, 5246265), (1605, 4896514), (1835, 4282782), (1906, 4123245), (2202, 3568985), (2247, 3497510), (2569, 3059130), (2859, 2748830), (3210, 2448257), (3670, 2141391), (3745, 2098506), (4494, 1748755), (4765, 1649298), (5138, 1529565), (5505, 1427594), (5718, 1374415), (6671, 1178070), (7490, 1049253), (7707, 1019710), (9530, 824649), (11010, 713797), (11235, 699502), (12845, 611826), (13342, 589035), (14295, 549766), (15414, 509855), (20013, 392690), (22470, 349751), (25690, 305913), (28590, 274883), (33355, 235614), (38535, 203942), (39269, 200130), (40026, 196345), (66710, 117807), (77070, 101971), (78538, 100065)]