2686460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 6666240

約数和(自身を除く): 3979780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 619, 620, 868, 1085, 1238, 2170, 2476, 3095, 4333, 4340, 6190, 8666, 12380, 17332, 19189, 21665, 38378, 43330, 76756, 86660, 95945, 134323, 191890, 268646, 383780, 537292, 671615, 1343230, 2686460]

約数ペア:

[(1, 2686460), (2, 1343230), (4, 671615), (5, 537292), (7, 383780), (10, 268646), (14, 191890), (20, 134323), (28, 95945), (31, 86660), (35, 76756), (62, 43330), (70, 38378), (124, 21665), (140, 19189), (155, 17332), (217, 12380), (310, 8666), (434, 6190), (619, 4340), (620, 4333), (868, 3095), (1085, 2476), (1238, 2170)]