207177520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12391}}^1$

素因数の和:12434

約数の個数: 80

約数和(自身を含む): 553178880

約数和(自身を除く): 346001360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12391, 16720, 24782, 49564, 61955, 99128, 123910, 136301, 198256, 235429, 247820, 272602, 470858, 495640, 545204, 681505, 941716, 991280, 1090408, 1177145, 1363010, 1883432, 2180816, 2354290, 2589719, 2726020, 3766864, 4708580, 5179438, 5452040, 9417160, 10358876, 10904080, 12948595, 18834320, 20717752, 25897190, 41435504, 51794380, 103588760, 207177520]

約数ペア:

[(1, 207177520), (2, 103588760), (4, 51794380), (5, 41435504), (8, 25897190), (10, 20717752), (11, 18834320), (16, 12948595), (19, 10904080), (20, 10358876), (22, 9417160), (38, 5452040), (40, 5179438), (44, 4708580), (55, 3766864), (76, 2726020), (80, 2589719), (88, 2354290), (95, 2180816), (110, 1883432), (152, 1363010), (176, 1177145), (190, 1090408), (209, 991280), (220, 941716), (304, 681505), (380, 545204), (418, 495640), (440, 470858), (760, 272602), (836, 247820), (880, 235429), (1045, 198256), (1520, 136301), (1672, 123910), (2090, 99128), (3344, 61955), (4180, 49564), (8360, 24782), (12391, 16720)]