290141855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 367234560

約数和(自身を除く): 77092705

約数列:

[1, 5, 43, 71, 83, 215, 229, 355, 415, 1145, 3053, 3569, 5893, 9847, 15265, 16259, 17845, 19007, 29465, 49235, 81295, 95035, 253399, 699137, 817301, 1266995, 1349497, 3495685, 4086505, 6747485, 58028371, 290141855]

約数ペア:

[(1, 290141855), (5, 58028371), (43, 6747485), (71, 4086505), (83, 3495685), (215, 1349497), (229, 1266995), (355, 817301), (415, 699137), (1145, 253399), (3053, 95035), (3569, 81295), (5893, 49235), (9847, 29465), (15265, 19007), (16259, 17845)]