30101260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 72656640

約数和(自身を除く): 42555380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1019, 1055, 1477, 2038, 2110, 2954, 4076, 4220, 5095, 5908, 7133, 7385, 10190, 14266, 14770, 20380, 28532, 29540, 35665, 71330, 142660, 215009, 430018, 860036, 1075045, 1505063, 2150090, 3010126, 4300180, 6020252, 7525315, 15050630, 30101260]

約数ペア:

[(1, 30101260), (2, 15050630), (4, 7525315), (5, 6020252), (7, 4300180), (10, 3010126), (14, 2150090), (20, 1505063), (28, 1075045), (35, 860036), (70, 430018), (140, 215009), (211, 142660), (422, 71330), (844, 35665), (1019, 29540), (1055, 28532), (1477, 20380), (2038, 14770), (2110, 14266), (2954, 10190), (4076, 7385), (4220, 7133), (5095, 5908)]