8878380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21139}}^1$

素因数の和:21158

約数の個数: 48

約数和(自身を含む): 28412160

約数和(自身を除く): 19533780

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, 21139, 42278, 63417, 84556, 105695, 126834, 147973, 211390, 253668, 295946, 317085, 422780, 443919, 591892, 634170, 739865, 887838, 1268340, 1479730, 1775676, 2219595, 2959460, 4439190, 8878380]

約数ペア:

[(1, 8878380), (2, 4439190), (3, 2959460), (4, 2219595), (5, 1775676), (6, 1479730), (7, 1268340), (10, 887838), (12, 739865), (14, 634170), (15, 591892), (20, 443919), (21, 422780), (28, 317085), (30, 295946), (35, 253668), (42, 211390), (60, 147973), (70, 126834), (84, 105695), (105, 84556), (140, 63417), (210, 42278), (420, 21139)]