201530305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 256746240

約数和(自身を除く): 55215935

約数列:

[1, 5, 37, 67, 71, 185, 229, 335, 355, 1145, 2479, 2627, 4757, 8473, 12395, 13135, 15343, 16259, 23785, 42365, 76715, 81295, 176009, 567691, 601583, 880045, 1089353, 2838455, 3007915, 5446765, 40306061, 201530305]

約数ペア:

[(1, 201530305), (5, 40306061), (37, 5446765), (67, 3007915), (71, 2838455), (185, 1089353), (229, 880045), (335, 601583), (355, 567691), (1145, 176009), (2479, 81295), (2627, 76715), (4757, 42365), (8473, 23785), (12395, 16259), (13135, 15343)]