42577990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 53222330

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 659, 710, 910, 923, 994, 1318, 1846, 2485, 3295, 4613, 4615, 4970, 6461, 6590, 8567, 9226, 9230, 12922, 17134, 23065, 32305, 42835, 46130, 46789, 59969, 64610, 85670, 93578, 119938, 233945, 299845, 327523, 467890, 599690, 608257, 655046, 1216514, 1637615, 3041285, 3275230, 4257799, 6082570, 8515598, 21288995, 42577990]

約数ペア:

[(1, 42577990), (2, 21288995), (5, 8515598), (7, 6082570), (10, 4257799), (13, 3275230), (14, 3041285), (26, 1637615), (35, 1216514), (65, 655046), (70, 608257), (71, 599690), (91, 467890), (130, 327523), (142, 299845), (182, 233945), (355, 119938), (455, 93578), (497, 85670), (659, 64610), (710, 59969), (910, 46789), (923, 46130), (994, 42835), (1318, 32305), (1846, 23065), (2485, 17134), (3295, 12922), (4613, 9230), (4615, 9226), (4970, 8567), (6461, 6590)]