287865770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{11059}}^1$

素因数の和:11222

約数の個数: 32

約数和(自身を含む): 549460800

約数和(自身を除く): 261595030

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1370, 2603, 5206, 11059, 13015, 22118, 26030, 55295, 110590, 210121, 420242, 1050605, 1515083, 2101210, 3030166, 7575415, 15150830, 28786577, 57573154, 143932885, 287865770]

約数ペア:

[(1, 287865770), (2, 143932885), (5, 57573154), (10, 28786577), (19, 15150830), (38, 7575415), (95, 3030166), (137, 2101210), (190, 1515083), (274, 1050605), (685, 420242), (1370, 210121), (2603, 110590), (5206, 55295), (11059, 26030), (13015, 22118)]