6986980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 19756800

約数和(自身を除く): 12769820

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 349, 364, 385, 455, 572, 698, 715, 770, 910, 1001, 1396, 1430, 1540, 1745, 1820, 2002, 2443, 2860, 3490, 3839, 4004, 4537, 4886, 5005, 6980, 7678, 9074, 9772, 10010, 12215, 15356, 18148, 19195, 20020, 22685, 24430, 26873, 31759, 38390, 45370, 48860, 49907, 53746, 63518, 76780, 90740, 99814, 107492, 127036, 134365, 158795, 199628, 249535, 268730, 317590, 349349, 499070, 537460, 635180, 698698, 998140, 1397396, 1746745, 3493490, 6986980]

約数ペア:

[(1, 6986980), (2, 3493490), (4, 1746745), (5, 1397396), (7, 998140), (10, 698698), (11, 635180), (13, 537460), (14, 499070), (20, 349349), (22, 317590), (26, 268730), (28, 249535), (35, 199628), (44, 158795), (52, 134365), (55, 127036), (65, 107492), (70, 99814), (77, 90740), (91, 76780), (110, 63518), (130, 53746), (140, 49907), (143, 48860), (154, 45370), (182, 38390), (220, 31759), (260, 26873), (286, 24430), (308, 22685), (349, 20020), (364, 19195), (385, 18148), (455, 15356), (572, 12215), (698, 10010), (715, 9772), (770, 9074), (910, 7678), (1001, 6980), (1396, 5005), (1430, 4886), (1540, 4537), (1745, 4004), (1820, 3839), (2002, 3490), (2443, 2860)]