28078890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{133709}}^1$

素因数の和:133726

約数の個数: 32

約数和(自身を含む): 77016960

約数和(自身を除く): 48938070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 133709, 267418, 401127, 668545, 802254, 935963, 1337090, 1871926, 2005635, 2807889, 4011270, 4679815, 5615778, 9359630, 14039445, 28078890]

約数ペア:

[(1, 28078890), (2, 14039445), (3, 9359630), (5, 5615778), (6, 4679815), (7, 4011270), (10, 2807889), (14, 2005635), (15, 1871926), (21, 1337090), (30, 935963), (35, 802254), (42, 668545), (70, 401127), (105, 267418), (210, 133709)]