290209535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5059}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 437184000

約数和(自身を除く): 146974465

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1639, 5059, 5215, 8195, 11473, 25295, 35413, 55649, 57365, 177065, 278245, 389543, 753791, 1947715, 3768955, 5276537, 8291701, 26382685, 41458505, 58041907, 290209535]

約数ペア:

[(1, 290209535), (5, 58041907), (7, 41458505), (11, 26382685), (35, 8291701), (55, 5276537), (77, 3768955), (149, 1947715), (385, 753791), (745, 389543), (1043, 278245), (1639, 177065), (5059, 57365), (5215, 55649), (8195, 35413), (11473, 25295)]