76643980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8171}}^1$

素因数の和:8254

約数の個数: 48

約数和(自身を含む): 186713856

約数和(自身を除く): 110069876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 8171, 9380, 16342, 32684, 40855, 57197, 81710, 114394, 163420, 228788, 285985, 547457, 571970, 1094914, 1143940, 2189828, 2737285, 3832199, 5474570, 7664398, 10949140, 15328796, 19160995, 38321990, 76643980]

約数ペア:

[(1, 76643980), (2, 38321990), (4, 19160995), (5, 15328796), (7, 10949140), (10, 7664398), (14, 5474570), (20, 3832199), (28, 2737285), (35, 2189828), (67, 1143940), (70, 1094914), (134, 571970), (140, 547457), (268, 285985), (335, 228788), (469, 163420), (670, 114394), (938, 81710), (1340, 57197), (1876, 40855), (2345, 32684), (4690, 16342), (8171, 9380)]