13396900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 33435360

約数和(自身を除く): 20038460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 641, 836, 950, 1045, 1100, 1282, 1900, 2090, 2564, 3205, 4180, 5225, 6410, 7051, 10450, 12179, 12820, 14102, 16025, 20900, 24358, 28204, 32050, 35255, 48716, 60895, 64100, 70510, 121790, 133969, 141020, 176275, 243580, 267938, 304475, 352550, 535876, 608950, 669845, 705100, 1217900, 1339690, 2679380, 3349225, 6698450, 13396900]

約数ペア:

[(1, 13396900), (2, 6698450), (4, 3349225), (5, 2679380), (10, 1339690), (11, 1217900), (19, 705100), (20, 669845), (22, 608950), (25, 535876), (38, 352550), (44, 304475), (50, 267938), (55, 243580), (76, 176275), (95, 141020), (100, 133969), (110, 121790), (190, 70510), (209, 64100), (220, 60895), (275, 48716), (380, 35255), (418, 32050), (475, 28204), (550, 24358), (641, 20900), (836, 16025), (950, 14102), (1045, 12820), (1100, 12179), (1282, 10450), (1900, 7051), (2090, 6410), (2564, 5225), (3205, 4180)]