726887030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{28163}}^1$

素因数の和:28288

約数の個数: 32

約数和(自身を含む): 1368770400

約数和(自身を除く): 641883370

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 12905, 25810, 28163, 56326, 140815, 281630, 816727, 1633454, 2506507, 4083635, 5013014, 8167270, 12532535, 25065070, 72688703, 145377406, 363443515, 726887030]

約数ペア:

[(1, 726887030), (2, 363443515), (5, 145377406), (10, 72688703), (29, 25065070), (58, 12532535), (89, 8167270), (145, 5013014), (178, 4083635), (290, 2506507), (445, 1633454), (890, 816727), (2581, 281630), (5162, 140815), (12905, 56326), (25810, 28163)]