8290380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19739}}^1$

素因数の和:19758

約数の個数: 48

約数和(自身を含む): 26530560

約数和(自身を除く): 18240180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19739, 39478, 59217, 78956, 98695, 118434, 138173, 197390, 236868, 276346, 296085, 394780, 414519, 552692, 592170, 690865, 829038, 1184340, 1381730, 1658076, 2072595, 2763460, 4145190, 8290380]

約数ペア:

[(1, 8290380), (2, 4145190), (3, 2763460), (4, 2072595), (5, 1658076), (6, 1381730), (7, 1184340), (10, 829038), (12, 690865), (14, 592170), (15, 552692), (20, 414519), (21, 394780), (28, 296085), (30, 276346), (35, 236868), (42, 197390), (60, 138173), (70, 118434), (84, 98695), (105, 78956), (140, 59217), (210, 39478), (420, 19739)]