129935820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{309371}}^1$

素因数の和:309390

約数の個数: 48

約数和(自身を含む): 415795968

約数和(自身を除く): 285860148

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, 309371, 618742, 928113, 1237484, 1546855, 1856226, 2165597, 3093710, 3712452, 4331194, 4640565, 6187420, 6496791, 8662388, 9281130, 10827985, 12993582, 18562260, 21655970, 25987164, 32483955, 43311940, 64967910, 129935820]

約数ペア:

[(1, 129935820), (2, 64967910), (3, 43311940), (4, 32483955), (5, 25987164), (6, 21655970), (7, 18562260), (10, 12993582), (12, 10827985), (14, 9281130), (15, 8662388), (20, 6496791), (21, 6187420), (28, 4640565), (30, 4331194), (35, 3712452), (42, 3093710), (60, 2165597), (70, 1856226), (84, 1546855), (105, 1237484), (140, 928113), (210, 618742), (420, 309371)]