61718440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31489}}^1$

素因数の和:31514

約数の個数: 48

約数和(自身を含む): 161543700

約数和(自身を除く): 99825260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31489, 62978, 125956, 157445, 220423, 251912, 314890, 440846, 629780, 881692, 1102115, 1259560, 1542961, 1763384, 2204230, 3085922, 4408460, 6171844, 7714805, 8816920, 12343688, 15429610, 30859220, 61718440]

約数ペア:

[(1, 61718440), (2, 30859220), (4, 15429610), (5, 12343688), (7, 8816920), (8, 7714805), (10, 6171844), (14, 4408460), (20, 3085922), (28, 2204230), (35, 1763384), (40, 1542961), (49, 1259560), (56, 1102115), (70, 881692), (98, 629780), (140, 440846), (196, 314890), (245, 251912), (280, 220423), (392, 157445), (490, 125956), (980, 62978), (1960, 31489)]