53970980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1613}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 130152960

約数和(自身を除く): 76181980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1613, 1673, 2390, 3226, 3346, 4780, 6452, 6692, 8065, 8365, 11291, 16130, 16730, 22582, 32260, 33460, 45164, 56455, 112910, 225820, 385507, 771014, 1542028, 1927535, 2698549, 3855070, 5397098, 7710140, 10794196, 13492745, 26985490, 53970980]

約数ペア:

[(1, 53970980), (2, 26985490), (4, 13492745), (5, 10794196), (7, 7710140), (10, 5397098), (14, 3855070), (20, 2698549), (28, 1927535), (35, 1542028), (70, 771014), (140, 385507), (239, 225820), (478, 112910), (956, 56455), (1195, 45164), (1613, 33460), (1673, 32260), (2390, 22582), (3226, 16730), (3346, 16130), (4780, 11291), (6452, 8365), (6692, 8065)]