206548860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491783}}^1$

素因数の和:491802

約数の個数: 48

約数和(自身を含む): 660957696

約数和(自身を除く): 454408836

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, 491783, 983566, 1475349, 1967132, 2458915, 2950698, 3442481, 4917830, 5901396, 6884962, 7376745, 9835660, 10327443, 13769924, 14753490, 17212405, 20654886, 29506980, 34424810, 41309772, 51637215, 68849620, 103274430, 206548860]

約数ペア:

[(1, 206548860), (2, 103274430), (3, 68849620), (4, 51637215), (5, 41309772), (6, 34424810), (7, 29506980), (10, 20654886), (12, 17212405), (14, 14753490), (15, 13769924), (20, 10327443), (21, 9835660), (28, 7376745), (30, 6884962), (35, 5901396), (42, 4917830), (60, 3442481), (70, 2950698), (84, 2458915), (105, 1967132), (140, 1475349), (210, 983566), (420, 491783)]