290401928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{379}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 582882000

約数和(自身を除く): 292480072

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 379, 568, 758, 1349, 1516, 2698, 3032, 5041, 5396, 7201, 10082, 10792, 14402, 20164, 26909, 28804, 40328, 53818, 57608, 95779, 107636, 191558, 215272, 383116, 511271, 766232, 1022542, 1910539, 2045084, 3821078, 4090168, 7642156, 15284312, 36300241, 72600482, 145200964, 290401928]

約数ペア:

[(1, 290401928), (2, 145200964), (4, 72600482), (8, 36300241), (19, 15284312), (38, 7642156), (71, 4090168), (76, 3821078), (142, 2045084), (152, 1910539), (284, 1022542), (379, 766232), (568, 511271), (758, 383116), (1349, 215272), (1516, 191558), (2698, 107636), (3032, 95779), (5041, 57608), (5396, 53818), (7201, 40328), (10082, 28804), (10792, 26909), (14402, 20164)]