622273820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{62603}}^1$

素因数の和:62690

約数の個数: 48

約数和(自身を含む): 1514515968

約数和(自身を除く): 892242148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 62603, 125206, 250412, 313015, 438221, 626030, 876442, 1252060, 1752884, 2191105, 4382210, 4444813, 8764420, 8889626, 17779252, 22224065, 31113691, 44448130, 62227382, 88896260, 124454764, 155568455, 311136910, 622273820]

約数ペア:

[(1, 622273820), (2, 311136910), (4, 155568455), (5, 124454764), (7, 88896260), (10, 62227382), (14, 44448130), (20, 31113691), (28, 22224065), (35, 17779252), (70, 8889626), (71, 8764420), (140, 4444813), (142, 4382210), (284, 2191105), (355, 1752884), (497, 1252060), (710, 876442), (994, 626030), (1420, 438221), (1988, 313015), (2485, 250412), (4970, 125206), (9940, 62603)]