1640772140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{15859}}^1$

素因数の和:16614

約数の個数: 48

約数和(自身を含む): 3943430400

約数和(自身を除く): 2302658260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 739, 1478, 2956, 3695, 5173, 7390, 10346, 14780, 15859, 20692, 25865, 31718, 51730, 63436, 79295, 103460, 111013, 158590, 222026, 317180, 444052, 555065, 1110130, 2220260, 11719801, 23439602, 46879204, 58599005, 82038607, 117198010, 164077214, 234396020, 328154428, 410193035, 820386070, 1640772140]

約数ペア:

[(1, 1640772140), (2, 820386070), (4, 410193035), (5, 328154428), (7, 234396020), (10, 164077214), (14, 117198010), (20, 82038607), (28, 58599005), (35, 46879204), (70, 23439602), (140, 11719801), (739, 2220260), (1478, 1110130), (2956, 555065), (3695, 444052), (5173, 317180), (7390, 222026), (10346, 158590), (14780, 111013), (15859, 103460), (20692, 79295), (25865, 63436), (31718, 51730)]