201845455

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 299756160

約数和(自身を除く): 97910705

約数列:

[1, 5, 7, 19, 35, 49, 95, 131, 133, 245, 331, 655, 665, 917, 931, 1655, 2317, 2489, 4585, 4655, 6289, 6419, 11585, 12445, 16219, 17423, 31445, 32095, 43361, 44023, 81095, 87115, 121961, 216805, 220115, 303527, 308161, 609805, 823859, 1517635, 1540805, 2124689, 4119295, 5767013, 10623445, 28835065, 40369091, 201845455]

約数ペア:

[(1, 201845455), (5, 40369091), (7, 28835065), (19, 10623445), (35, 5767013), (49, 4119295), (95, 2124689), (131, 1540805), (133, 1517635), (245, 823859), (331, 609805), (655, 308161), (665, 303527), (917, 220115), (931, 216805), (1655, 121961), (2317, 87115), (2489, 81095), (4585, 44023), (4655, 43361), (6289, 32095), (6419, 31445), (11585, 17423), (12445, 16219)]