4039980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9619}}^1$

素因数の和:9638

約数の個数: 48

約数和(自身を含む): 12929280

約数和(自身を除く): 8889300

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, 9619, 19238, 28857, 38476, 48095, 57714, 67333, 96190, 115428, 134666, 144285, 192380, 201999, 269332, 288570, 336665, 403998, 577140, 673330, 807996, 1009995, 1346660, 2019990, 4039980]

約数ペア:

[(1, 4039980), (2, 2019990), (3, 1346660), (4, 1009995), (5, 807996), (6, 673330), (7, 577140), (10, 403998), (12, 336665), (14, 288570), (15, 269332), (20, 201999), (21, 192380), (28, 144285), (30, 134666), (35, 115428), (42, 96190), (60, 67333), (70, 57714), (84, 48095), (105, 38476), (140, 28857), (210, 19238), (420, 9619)]