2905630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 6709248

約数和(自身を除く): 3803618

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 103, 130, 155, 182, 206, 217, 310, 403, 434, 455, 515, 721, 806, 910, 1030, 1085, 1339, 1442, 2015, 2170, 2678, 2821, 3193, 3605, 4030, 5642, 6386, 6695, 7210, 9373, 13390, 14105, 15965, 18746, 22351, 28210, 31930, 41509, 44702, 46865, 83018, 93730, 111755, 207545, 223510, 290563, 415090, 581126, 1452815, 2905630]

約数ペア:

[(1, 2905630), (2, 1452815), (5, 581126), (7, 415090), (10, 290563), (13, 223510), (14, 207545), (26, 111755), (31, 93730), (35, 83018), (62, 46865), (65, 44702), (70, 41509), (91, 31930), (103, 28210), (130, 22351), (155, 18746), (182, 15965), (206, 14105), (217, 13390), (310, 9373), (403, 7210), (434, 6695), (455, 6386), (515, 5642), (721, 4030), (806, 3605), (910, 3193), (1030, 2821), (1085, 2678), (1339, 2170), (1442, 2015)]