318888920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1481}}^1$

素因数の和:2268

約数の個数: 64

約数和(自身を含む): 821620800

約数和(自身を除く): 502731880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 769, 1481, 1538, 2962, 3076, 3845, 5383, 5924, 6152, 7405, 7690, 10367, 10766, 11848, 14810, 15380, 20734, 21532, 26915, 29620, 30760, 41468, 43064, 51835, 53830, 59240, 82936, 103670, 107660, 207340, 215320, 414680, 1138889, 2277778, 4555556, 5694445, 7972223, 9111112, 11388890, 15944446, 22777780, 31888892, 39861115, 45555560, 63777784, 79722230, 159444460, 318888920]

約数ペア:

[(1, 318888920), (2, 159444460), (4, 79722230), (5, 63777784), (7, 45555560), (8, 39861115), (10, 31888892), (14, 22777780), (20, 15944446), (28, 11388890), (35, 9111112), (40, 7972223), (56, 5694445), (70, 4555556), (140, 2277778), (280, 1138889), (769, 414680), (1481, 215320), (1538, 207340), (2962, 107660), (3076, 103670), (3845, 82936), (5383, 59240), (5924, 53830), (6152, 51835), (7405, 43064), (7690, 41468), (10367, 30760), (10766, 29620), (11848, 26915), (14810, 21532), (15380, 20734)]