27706940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 37157860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4289, 6460, 8578, 17156, 21445, 42890, 72913, 81491, 85780, 145826, 162982, 291652, 325964, 364565, 407455, 729130, 814910, 1385347, 1458260, 1629820, 2770694, 5541388, 6926735, 13853470, 27706940]

約数ペア:

[(1, 27706940), (2, 13853470), (4, 6926735), (5, 5541388), (10, 2770694), (17, 1629820), (19, 1458260), (20, 1385347), (34, 814910), (38, 729130), (68, 407455), (76, 364565), (85, 325964), (95, 291652), (170, 162982), (190, 145826), (323, 85780), (340, 81491), (380, 72913), (646, 42890), (1292, 21445), (1615, 17156), (3230, 8578), (4289, 6460)]