1397495820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3327371}}^1$

素因数の和:3327390

約数の個数: 48

約数和(自身を含む): 4471987968

約数和(自身を除く): 3074492148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3327371, 6654742, 9982113, 13309484, 16636855, 19964226, 23291597, 33273710, 39928452, 46583194, 49910565, 66547420, 69874791, 93166388, 99821130, 116457985, 139749582, 199642260, 232915970, 279499164, 349373955, 465831940, 698747910, 1397495820]

約数ペア:

[(1, 1397495820), (2, 698747910), (3, 465831940), (4, 349373955), (5, 279499164), (6, 232915970), (7, 199642260), (10, 139749582), (12, 116457985), (14, 99821130), (15, 93166388), (20, 69874791), (21, 66547420), (28, 49910565), (30, 46583194), (35, 39928452), (42, 33273710), (60, 23291597), (70, 19964226), (84, 16636855), (105, 13309484), (140, 9982113), (210, 6654742), (420, 3327371)]