2959720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 6774120

約数和(自身を除く): 3814400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1213, 1220, 2426, 2440, 4852, 6065, 9704, 12130, 24260, 48520, 73993, 147986, 295972, 369965, 591944, 739930, 1479860, 2959720]

約数ペア:

[(1, 2959720), (2, 1479860), (4, 739930), (5, 591944), (8, 369965), (10, 295972), (20, 147986), (40, 73993), (61, 48520), (122, 24260), (244, 12130), (305, 9704), (488, 6065), (610, 4852), (1213, 2440), (1220, 2426)]