172960970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2677}}^1$

素因数の和:2775

約数の個数: 64

約数和(自身を含む): 388717056

約数和(自身を除く): 215756086

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1846, 2485, 2677, 4615, 4970, 5354, 6461, 9230, 12922, 13385, 18739, 26770, 32305, 34801, 37478, 64610, 69602, 93695, 174005, 187390, 190067, 243607, 348010, 380134, 487214, 950335, 1218035, 1330469, 1900670, 2436070, 2470871, 2660938, 4941742, 6652345, 12354355, 13304690, 17296097, 24708710, 34592194, 86480485, 172960970]

約数ペア:

[(1, 172960970), (2, 86480485), (5, 34592194), (7, 24708710), (10, 17296097), (13, 13304690), (14, 12354355), (26, 6652345), (35, 4941742), (65, 2660938), (70, 2470871), (71, 2436070), (91, 1900670), (130, 1330469), (142, 1218035), (182, 950335), (355, 487214), (455, 380134), (497, 348010), (710, 243607), (910, 190067), (923, 187390), (994, 174005), (1846, 93695), (2485, 69602), (2677, 64610), (4615, 37478), (4970, 34801), (5354, 32305), (6461, 26770), (9230, 18739), (12922, 13385)]