180909190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{234947}}^1$

素因数の和:234972

約数の個数: 32

約数和(自身を含む): 405990144

約数和(自身を除く): 225080954

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 234947, 469894, 1174735, 1644629, 2349470, 2584417, 3289258, 5168834, 8223145, 12922085, 16446290, 18090919, 25844170, 36181838, 90454595, 180909190]

約数ペア:

[(1, 180909190), (2, 90454595), (5, 36181838), (7, 25844170), (10, 18090919), (11, 16446290), (14, 12922085), (22, 8223145), (35, 5168834), (55, 3289258), (70, 2584417), (77, 2349470), (110, 1644629), (154, 1174735), (385, 469894), (770, 234947)]