42203420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{619}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 101660160

約数和(自身を除く): 59456740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 619, 974, 1238, 1948, 2435, 2476, 3095, 3409, 4333, 4870, 6190, 6818, 8666, 9740, 12380, 13636, 17045, 17332, 21665, 34090, 43330, 68180, 86660, 301453, 602906, 1205812, 1507265, 2110171, 3014530, 4220342, 6029060, 8440684, 10550855, 21101710, 42203420]

約数ペア:

[(1, 42203420), (2, 21101710), (4, 10550855), (5, 8440684), (7, 6029060), (10, 4220342), (14, 3014530), (20, 2110171), (28, 1507265), (35, 1205812), (70, 602906), (140, 301453), (487, 86660), (619, 68180), (974, 43330), (1238, 34090), (1948, 21665), (2435, 17332), (2476, 17045), (3095, 13636), (3409, 12380), (4333, 9740), (4870, 8666), (6190, 6818)]