138968900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 108

約数和(自身を含む): 356227200

約数和(自身を除く): 217258300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 140, 158, 175, 196, 245, 316, 350, 359, 395, 490, 553, 700, 718, 790, 980, 1106, 1225, 1436, 1580, 1795, 1975, 2212, 2450, 2513, 2765, 3590, 3871, 3950, 4900, 5026, 5530, 7180, 7742, 7900, 8975, 10052, 11060, 12565, 13825, 15484, 17591, 17950, 19355, 25130, 27650, 28361, 35182, 35900, 38710, 50260, 55300, 56722, 62825, 70364, 77420, 87955, 96775, 113444, 125650, 141805, 175910, 193550, 198527, 251300, 283610, 351820, 387100, 397054, 439775, 567220, 709025, 794108, 879550, 992635, 1389689, 1418050, 1759100, 1985270, 2779378, 2836100, 3970540, 4963175, 5558756, 6948445, 9926350, 13896890, 19852700, 27793780, 34742225, 69484450, 138968900]

約数ペア:

[(1, 138968900), (2, 69484450), (4, 34742225), (5, 27793780), (7, 19852700), (10, 13896890), (14, 9926350), (20, 6948445), (25, 5558756), (28, 4963175), (35, 3970540), (49, 2836100), (50, 2779378), (70, 1985270), (79, 1759100), (98, 1418050), (100, 1389689), (140, 992635), (158, 879550), (175, 794108), (196, 709025), (245, 567220), (316, 439775), (350, 397054), (359, 387100), (395, 351820), (490, 283610), (553, 251300), (700, 198527), (718, 193550), (790, 175910), (980, 141805), (1106, 125650), (1225, 113444), (1436, 96775), (1580, 87955), (1795, 77420), (1975, 70364), (2212, 62825), (2450, 56722), (2513, 55300), (2765, 50260), (3590, 38710), (3871, 35900), (3950, 35182), (4900, 28361), (5026, 27650), (5530, 25130), (7180, 19355), (7742, 17950), (7900, 17591), (8975, 15484), (10052, 13825), (11060, 12565)]