28610890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 65214720

約数和(自身を除く): 36603830

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 365, 385, 509, 511, 730, 770, 803, 1018, 1022, 1606, 2545, 2555, 3563, 4015, 5090, 5110, 5599, 5621, 7126, 8030, 11198, 11242, 17815, 27995, 28105, 35630, 37157, 39193, 55990, 56210, 74314, 78386, 185785, 195965, 260099, 371570, 391930, 408727, 520198, 817454, 1300495, 2043635, 2600990, 2861089, 4087270, 5722178, 14305445, 28610890]

約数ペア:

[(1, 28610890), (2, 14305445), (5, 5722178), (7, 4087270), (10, 2861089), (11, 2600990), (14, 2043635), (22, 1300495), (35, 817454), (55, 520198), (70, 408727), (73, 391930), (77, 371570), (110, 260099), (146, 195965), (154, 185785), (365, 78386), (385, 74314), (509, 56210), (511, 55990), (730, 39193), (770, 37157), (803, 35630), (1018, 28105), (1022, 27995), (1606, 17815), (2545, 11242), (2555, 11198), (3563, 8030), (4015, 7126), (5090, 5621), (5110, 5599)]