28107870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19121}}^1$

素因数の和:19145

約数の個数: 48

約数和(自身を含む): 78476688

約数和(自身を除く): 50368818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19121, 38242, 57363, 95605, 114726, 133847, 191210, 267694, 286815, 401541, 573630, 669235, 803082, 936929, 1338470, 1873858, 2007705, 2810787, 4015410, 4684645, 5621574, 9369290, 14053935, 28107870]

約数ペア:

[(1, 28107870), (2, 14053935), (3, 9369290), (5, 5621574), (6, 4684645), (7, 4015410), (10, 2810787), (14, 2007705), (15, 1873858), (21, 1338470), (30, 936929), (35, 803082), (42, 669235), (49, 573630), (70, 401541), (98, 286815), (105, 267694), (147, 191210), (210, 133847), (245, 114726), (294, 95605), (490, 57363), (735, 38242), (1470, 19121)]