199419920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6719}}^1$

素因数の和:6792

約数の個数: 80

約数和(自身を含む): 539965440

約数和(自身を除く): 340545520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 6719, 7420, 13438, 14840, 26876, 29680, 33595, 47033, 53752, 67190, 94066, 107504, 134380, 188132, 235165, 268760, 356107, 376264, 470330, 537520, 712214, 752528, 940660, 1424428, 1780535, 1881320, 2492749, 2848856, 3561070, 3762640, 4985498, 5697712, 7122140, 9970996, 12463745, 14244280, 19941992, 24927490, 28488560, 39883984, 49854980, 99709960, 199419920]

約数ペア:

[(1, 199419920), (2, 99709960), (4, 49854980), (5, 39883984), (7, 28488560), (8, 24927490), (10, 19941992), (14, 14244280), (16, 12463745), (20, 9970996), (28, 7122140), (35, 5697712), (40, 4985498), (53, 3762640), (56, 3561070), (70, 2848856), (80, 2492749), (106, 1881320), (112, 1780535), (140, 1424428), (212, 940660), (265, 752528), (280, 712214), (371, 537520), (424, 470330), (530, 376264), (560, 356107), (742, 268760), (848, 235165), (1060, 188132), (1484, 134380), (1855, 107504), (2120, 94066), (2968, 67190), (3710, 53752), (4240, 47033), (5936, 33595), (6719, 29680), (7420, 26876), (13438, 14840)]