3198020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 7838208

約数和(自身を除く): 4640188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 431, 530, 742, 862, 1060, 1484, 1724, 1855, 2155, 3017, 3710, 4310, 6034, 7420, 8620, 12068, 15085, 22843, 30170, 45686, 60340, 91372, 114215, 159901, 228430, 319802, 456860, 639604, 799505, 1599010, 3198020]

約数ペア:

[(1, 3198020), (2, 1599010), (4, 799505), (5, 639604), (7, 456860), (10, 319802), (14, 228430), (20, 159901), (28, 114215), (35, 91372), (53, 60340), (70, 45686), (106, 30170), (140, 22843), (212, 15085), (265, 12068), (371, 8620), (431, 7420), (530, 6034), (742, 4310), (862, 3710), (1060, 3017), (1484, 2155), (1724, 1855)]