28829770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 54334800

約数和(自身を除く): 25505030

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 1117, 2234, 2581, 5162, 5585, 11170, 12905, 25810, 32393, 64786, 99413, 161965, 198826, 323930, 497065, 994130, 2882977, 5765954, 14414885, 28829770]

約数ペア:

[(1, 28829770), (2, 14414885), (5, 5765954), (10, 2882977), (29, 994130), (58, 497065), (89, 323930), (145, 198826), (178, 161965), (290, 99413), (445, 64786), (890, 32393), (1117, 25810), (2234, 12905), (2581, 11170), (5162, 5585)]