290415130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{4201}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 542158848

約数和(自身を除く): 251743718

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 446, 1115, 2230, 4201, 6913, 8402, 13826, 21005, 34565, 42010, 69130, 130231, 260462, 651155, 936823, 1302310, 1873646, 4684115, 9368230, 29041513, 58083026, 145207565, 290415130]

約数ペア:

[(1, 290415130), (2, 145207565), (5, 58083026), (10, 29041513), (31, 9368230), (62, 4684115), (155, 1873646), (223, 1302310), (310, 936823), (446, 651155), (1115, 260462), (2230, 130231), (4201, 69130), (6913, 42010), (8402, 34565), (13826, 21005)]