28278810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{44887}}^1$

素因数の和:44907

約数の個数: 48

約数和(自身を含む): 84030336

約数和(自身を除く): 55751526

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 44887, 89774, 134661, 224435, 269322, 314209, 403983, 448870, 628418, 673305, 807966, 942627, 1346610, 1571045, 1885254, 2019915, 2827881, 3142090, 4039830, 4713135, 5655762, 9426270, 14139405, 28278810]

約数ペア:

[(1, 28278810), (2, 14139405), (3, 9426270), (5, 5655762), (6, 4713135), (7, 4039830), (9, 3142090), (10, 2827881), (14, 2019915), (15, 1885254), (18, 1571045), (21, 1346610), (30, 942627), (35, 807966), (42, 673305), (45, 628418), (63, 448870), (70, 403983), (90, 314209), (105, 269322), (126, 224435), (210, 134661), (315, 89774), (630, 44887)]